gistfile1.fs

namespace System

open System


///<summary>Represents a character as a UTF-16 code unit.</summary>
type Char =
  
  ///<summary>Converts the specified Unicode code point into a UTF-16 encoded string.</summary>
  ///<param name="utf32">A 21-bit Unicode code point.</param>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="utf32" /> is not a valid 21-bit Unicode code point ranging from U+0 through U+10FFFF, excluding the surrogate pair range from U+D800 through U+DFFF.</exception>
  ///<returns>A string consisting of one <see cref="T:System.Char" /> object or a surrogate pair of <see cref="T:System.Char" /> objects equivalent to the code point specified by the <paramref name="utf32" /> parameter.</returns>
  static member ConvertFromUtf32: utf32: int -> string
  
  ///<summary>Converts the value of a UTF-16 encoded surrogate pair into a Unicode code point.</summary>
  ///<param name="highSurrogate">A high surrogate code unit (that is, a code unit ranging from U+D800 through U+DBFF).</param>
  ///<param name="lowSurrogate">A low surrogate code unit (that is, a code unit ranging from U+DC00 through U+DFFF).</param>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="highSurrogate" /> is not in the range U+D800 through U+DBFF, or <paramref name="lowSurrogate" /> is not in the range U+DC00 through U+DFFF.</exception>
  ///<returns>The 21-bit Unicode code point represented by the <paramref name="highSurrogate" /> and <paramref name="lowSurrogate" /> parameters.</returns>
  static member ConvertToUtf32: highSurrogate: char * lowSurrogate: char -> int
  
  ///<summary>Converts the value of a UTF-16 encoded character or surrogate pair at a specified position in a string into a Unicode code point.</summary>
  ///<param name="s">A string that contains a character or surrogate pair.</param>
  ///<param name="index">The index position of the character or surrogate pair in <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is not a position within <paramref name="s" />.</exception>
  ///<exception cref="T:System.ArgumentException">The specified index position contains a surrogate pair, and either the first character in the pair is not a valid high surrogate or the second character in the pair is not a valid low surrogate.</exception>
  ///<returns>The 21-bit Unicode code point represented by the character or surrogate pair at the position in the <paramref name="s" /> parameter specified by the <paramref name="index" /> parameter.</returns>
  static member ConvertToUtf32: s: string * index: int -> int
  
  ///<summary>Converts the specified numeric Unicode character to a double-precision floating point number.</summary>
  ///<param name="c">The Unicode character to convert.</param>
  ///<returns>The numeric value of <paramref name="c" /> if that character represents a number; otherwise, -1.0.</returns>
  static member GetNumericValue: c: char -> float
  
  ///<summary>Converts the numeric Unicode character at the specified position in a specified string to a double-precision floating point number.</summary>
  ///<param name="s">A <see cref="T:System.String" />.</param>
  ///<param name="index">The character position in <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is less than zero or greater than the last position in <paramref name="s" />.</exception>
  ///<returns>The numeric value of the character at position <paramref name="index" /> in <paramref name="s" /> if that character represents a number; otherwise, -1.</returns>
  static member GetNumericValue: s: string * index: int -> float
  
  ///<summary>Categorizes a specified Unicode character into a group identified by one of the <see cref="T:System.Globalization.UnicodeCategory" /> values.</summary>
  ///<param name="c">The Unicode character to categorize.</param>
  ///<returns>A <see cref="T:System.Globalization.UnicodeCategory" /> value that identifies the group that contains <paramref name="c" />.</returns>
  static member GetUnicodeCategory: c: char -> Globalization.UnicodeCategory
  
  ///<summary>Categorizes the character at the specified position in a specified string into a group identified by one of the <see cref="T:System.Globalization.UnicodeCategory" /> values.</summary>
  ///<param name="s">A <see cref="T:System.String" />.</param>
  ///<param name="index">The character position in <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is less than zero or greater than the last position in <paramref name="s" />.</exception>
  ///<returns>A <see cref="T:System.Globalization.UnicodeCategory" /> enumerated constant that identifies the group that contains the character at position <paramref name="index" /> in <paramref name="s" />.</returns>
  static member GetUnicodeCategory: s: string * index: int -> Globalization.UnicodeCategory
  static member IsAscii: c: char -> bool
  
  ///<summary>Indicates whether the specified Unicode character is categorized as a control character.</summary>
  ///<param name="c">The Unicode character to evaluate.</param>
  ///<returns><see langword="true" /> if <paramref name="c" /> is a control character; otherwise, <see langword="false" />.</returns>
  static member IsControl: c: char -> bool
  
  ///<summary>Indicates whether the character at the specified position in a specified string is categorized as a control character.</summary>
  ///<param name="s">A string.</param>
  ///<param name="index">The position of the character to evaluate in <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is less than zero or greater than the last position in <paramref name="s" />.</exception>
  ///<returns><see langword="true" /> if the character at position <paramref name="index" /> in <paramref name="s" /> is a control character; otherwise, <see langword="false" />.</returns>
  static member IsControl: s: string * index: int -> bool
  
  ///<summary>Indicates whether the specified Unicode character is categorized as a decimal digit.</summary>
  ///<param name="c">The Unicode character to evaluate.</param>
  ///<returns><see langword="true" /> if <paramref name="c" /> is a decimal digit; otherwise, <see langword="false" />.</returns>
  static member IsDigit: c: char -> bool
  
  ///<summary>Indicates whether the character at the specified position in a specified string is categorized as a decimal digit.</summary>
  ///<param name="s">A string.</param>
  ///<param name="index">The position of the character to evaluate in <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is less than zero or greater than the last position in <paramref name="s" />.</exception>
  ///<returns><see langword="true" /> if the character at position <paramref name="index" /> in <paramref name="s" /> is a decimal digit; otherwise, <see langword="false" />.</returns>
  static member IsDigit: s: string * index: int -> bool
  
  ///<summary>Indicates whether the specified <see cref="T:System.Char" /> object is a high surrogate.</summary>
  ///<param name="c">The Unicode character to evaluate.</param>
  ///<returns><see langword="true" /> if the numeric value of the <paramref name="c" /> parameter ranges from U+D800 through U+DBFF; otherwise, <see langword="false" />.</returns>
  static member IsHighSurrogate: c: char -> bool
  
  ///<summary>Indicates whether the <see cref="T:System.Char" /> object at the specified position in a string is a high surrogate.</summary>
  ///<param name="s">A string.</param>
  ///<param name="index">The position of the character to evaluate in <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is not a position within <paramref name="s" />.</exception>
  ///<returns><see langword="true" /> if the numeric value of the specified character in the <paramref name="s" /> parameter ranges from U+D800 through U+DBFF; otherwise, <see langword="false" />.</returns>
  static member IsHighSurrogate: s: string * index: int -> bool
  
  ///<summary>Indicates whether the specified Unicode character is categorized as a Unicode letter.</summary>
  ///<param name="c">The Unicode character to evaluate.</param>
  ///<returns><see langword="true" /> if <paramref name="c" /> is a letter; otherwise, <see langword="false" />.</returns>
  static member IsLetter: c: char -> bool
  
  ///<summary>Indicates whether the character at the specified position in a specified string is categorized as a Unicode letter.</summary>
  ///<param name="s">A string.</param>
  ///<param name="index">The position of the character to evaluate in <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is less than zero or greater than the last position in <paramref name="s" />.</exception>
  ///<returns><see langword="true" /> if the character at position <paramref name="index" /> in <paramref name="s" /> is a letter; otherwise, <see langword="false" />.</returns>
  static member IsLetter: s: string * index: int -> bool
  
  ///<summary>Indicates whether the specified Unicode character is categorized as a letter or a decimal digit.</summary>
  ///<param name="c">The Unicode character to evaluate.</param>
  ///<returns><see langword="true" /> if <paramref name="c" /> is a letter or a decimal digit; otherwise, <see langword="false" />.</returns>
  static member IsLetterOrDigit: c: char -> bool
  
  ///<summary>Indicates whether the character at the specified position in a specified string is categorized as a letter or a decimal digit.</summary>
  ///<param name="s">A string.</param>
  ///<param name="index">The position of the character to evaluate in <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is less than zero or greater than the last position in <paramref name="s" />.</exception>
  ///<returns><see langword="true" /> if the character at position <paramref name="index" /> in <paramref name="s" /> is a letter or a decimal digit; otherwise, <see langword="false" />.</returns>
  static member IsLetterOrDigit: s: string * index: int -> bool
  
  ///<summary>Indicates whether the specified <see cref="T:System.Char" /> object is a low surrogate.</summary>
  ///<param name="c">The character to evaluate.</param>
  ///<returns><see langword="true" /> if the numeric value of the <paramref name="c" /> parameter ranges from U+DC00 through U+DFFF; otherwise, <see langword="false" />.</returns>
  static member IsLowSurrogate: c: char -> bool
  
  ///<summary>Indicates whether the <see cref="T:System.Char" /> object at the specified position in a string is a low surrogate.</summary>
  ///<param name="s">A string.</param>
  ///<param name="index">The position of the character to evaluate in <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is not a position within <paramref name="s" />.</exception>
  ///<returns><see langword="true" /> if the numeric value of the specified character in the <paramref name="s" /> parameter ranges from U+DC00 through U+DFFF; otherwise, <see langword="false" />.</returns>
  static member IsLowSurrogate: s: string * index: int -> bool
  
  ///<summary>Indicates whether the specified Unicode character is categorized as a lowercase letter.</summary>
  ///<param name="c">The Unicode character to evaluate.</param>
  ///<returns><see langword="true" /> if <paramref name="c" /> is a lowercase letter; otherwise, <see langword="false" />.</returns>
  static member IsLower: c: char -> bool
  
  ///<summary>Indicates whether the character at the specified position in a specified string is categorized as a lowercase letter.</summary>
  ///<param name="s">A string.</param>
  ///<param name="index">The position of the character to evaluate in <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is less than zero or greater than the last position in <paramref name="s" />.</exception>
  ///<returns><see langword="true" /> if the character at position <paramref name="index" /> in <paramref name="s" /> is a lowercase letter; otherwise, <see langword="false" />.</returns>
  static member IsLower: s: string * index: int -> bool
  
  ///<summary>Indicates whether the specified Unicode character is categorized as a number.</summary>
  ///<param name="c">The Unicode character to evaluate.</param>
  ///<returns><see langword="true" /> if <paramref name="c" /> is a number; otherwise, <see langword="false" />.</returns>
  static member IsNumber: c: char -> bool
  
  ///<summary>Indicates whether the character at the specified position in a specified string is categorized as a number.</summary>
  ///<param name="s">A string.</param>
  ///<param name="index">The position of the character to evaluate in <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is less than zero or greater than the last position in <paramref name="s" />.</exception>
  ///<returns><see langword="true" /> if the character at position <paramref name="index" /> in <paramref name="s" /> is a number; otherwise, <see langword="false" />.</returns>
  static member IsNumber: s: string * index: int -> bool
  
  ///<summary>Indicates whether the specified Unicode character is categorized as a punctuation mark.</summary>
  ///<param name="c">The Unicode character to evaluate.</param>
  ///<returns><see langword="true" /> if <paramref name="c" /> is a punctuation mark; otherwise, <see langword="false" />.</returns>
  static member IsPunctuation: c: char -> bool
  
  ///<summary>Indicates whether the character at the specified position in a specified string is categorized as a punctuation mark.</summary>
  ///<param name="s">A string.</param>
  ///<param name="index">The position of the character to evaluate in <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is less than zero or greater than the last position in <paramref name="s" />.</exception>
  ///<returns><see langword="true" /> if the character at position <paramref name="index" /> in <paramref name="s" /> is a punctuation mark; otherwise, <see langword="false" />.</returns>
  static member IsPunctuation: s: string * index: int -> bool
  
  ///<summary>Indicates whether the specified Unicode character is categorized as a separator character.</summary>
  ///<param name="c">The Unicode character to evaluate.</param>
  ///<returns><see langword="true" /> if <paramref name="c" /> is a separator character; otherwise, <see langword="false" />.</returns>
  static member IsSeparator: c: char -> bool
  
  ///<summary>Indicates whether the character at the specified position in a specified string is categorized as a separator character.</summary>
  ///<param name="s">A string.</param>
  ///<param name="index">The position of the character to evaluate in <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is less than zero or greater than the last position in <paramref name="s" />.</exception>
  ///<returns><see langword="true" /> if the character at position <paramref name="index" /> in <paramref name="s" /> is a separator character; otherwise, <see langword="false" />.</returns>
  static member IsSeparator: s: string * index: int -> bool
  
  ///<summary>Indicates whether the specified character has a surrogate code unit.</summary>
  ///<param name="c">The Unicode character to evaluate.</param>
  ///<returns><see langword="true" /> if <paramref name="c" /> is either a high surrogate or a low surrogate; otherwise, <see langword="false" />.</returns>
  static member IsSurrogate: c: char -> bool
  
  ///<summary>Indicates whether the character at the specified position in a specified string has a surrogate code unit.</summary>
  ///<param name="s">A string.</param>
  ///<param name="index">The position of the character to evaluate in <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is less than zero or greater than the last position in <paramref name="s" />.</exception>
  ///<returns><see langword="true" /> if the character at position <paramref name="index" /> in <paramref name="s" /> is a either a high surrogate or a low surrogate; otherwise, <see langword="false" />.</returns>
  static member IsSurrogate: s: string * index: int -> bool
  
  ///<summary>Indicates whether the two specified <see cref="T:System.Char" /> objects form a surrogate pair.</summary>
  ///<param name="highSurrogate">The character to evaluate as the high surrogate of a surrogate pair.</param>
  ///<param name="lowSurrogate">The character to evaluate as the low surrogate of a surrogate pair.</param>
  ///<returns><see langword="true" /> if the numeric value of the <paramref name="highSurrogate" /> parameter ranges from U+D800 through U+DBFF, and the numeric value of the <paramref name="lowSurrogate" /> parameter ranges from U+DC00 through U+DFFF; otherwise, <see langword="false" />.</returns>
  static member IsSurrogatePair: highSurrogate: char * lowSurrogate: char -> bool
  
  ///<summary>Indicates whether two adjacent <see cref="T:System.Char" /> objects at a specified position in a string form a surrogate pair.</summary>
  ///<param name="s">A string.</param>
  ///<param name="index">The starting position of the pair of characters to evaluate within <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is not a position within <paramref name="s" />.</exception>
  ///<returns><see langword="true" /> if the <paramref name="s" /> parameter includes adjacent characters at positions <paramref name="index" /> and <paramref name="index" /> + 1, and the numeric value of the character at position <paramref name="index" /> ranges from U+D800 through U+DBFF, and the numeric value of the character at position <paramref name="index" />+1 ranges from U+DC00 through U+DFFF; otherwise, <see langword="false" />.</returns>
  static member IsSurrogatePair: s: string * index: int -> bool
  
  ///<summary>Indicates whether the specified Unicode character is categorized as a symbol character.</summary>
  ///<param name="c">The Unicode character to evaluate.</param>
  ///<returns><see langword="true" /> if <paramref name="c" /> is a symbol character; otherwise, <see langword="false" />.</returns>
  static member IsSymbol: c: char -> bool
  
  ///<summary>Indicates whether the character at the specified position in a specified string is categorized as a symbol character.</summary>
  ///<param name="s">A string.</param>
  ///<param name="index">The position of the character to evaluate in <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is less than zero or greater than the last position in <paramref name="s" />.</exception>
  ///<returns><see langword="true" /> if the character at position <paramref name="index" /> in <paramref name="s" /> is a symbol character; otherwise, <see langword="false" />.</returns>
  static member IsSymbol: s: string * index: int -> bool
  
  ///<summary>Indicates whether the specified Unicode character is categorized as an uppercase letter.</summary>
  ///<param name="c">The Unicode character to evaluate.</param>
  ///<returns><see langword="true" /> if <paramref name="c" /> is an uppercase letter; otherwise, <see langword="false" />.</returns>
  static member IsUpper: c: char -> bool
  
  ///<summary>Indicates whether the character at the specified position in a specified string is categorized as an uppercase letter.</summary>
  ///<param name="s">A string.</param>
  ///<param name="index">The position of the character to evaluate in <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is less than zero or greater than the last position in <paramref name="s" />.</exception>
  ///<returns><see langword="true" /> if the character at position <paramref name="index" /> in <paramref name="s" /> is an uppercase letter; otherwise, <see langword="false" />.</returns>
  static member IsUpper: s: string * index: int -> bool
  
  ///<summary>Indicates whether the specified Unicode character is categorized as white space.</summary>
  ///<param name="c">The Unicode character to evaluate.</param>
  ///<returns><see langword="true" /> if <paramref name="c" /> is white space; otherwise, <see langword="false" />.</returns>
  static member IsWhiteSpace: c: char -> bool
  
  ///<summary>Indicates whether the character at the specified position in a specified string is categorized as white space.</summary>
  ///<param name="s">A string.</param>
  ///<param name="index">The position of the character to evaluate in <paramref name="s" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index" /> is less than zero or greater than the last position in <paramref name="s" />.</exception>
  ///<returns><see langword="true" /> if the character at position <paramref name="index" /> in <paramref name="s" /> is white space; otherwise, <see langword="false" />.</returns>
  static member IsWhiteSpace: s: string * index: int -> bool
  
  ///<summary>Converts the value of the specified string to its equivalent Unicode character.</summary>
  ///<param name="s">A string that contains a single character, or <see langword="null" />.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="s" /> is <see langword="null" />.</exception>
  ///<exception cref="T:System.FormatException">The length of <paramref name="s" /> is not 1.</exception>
  ///<returns>A Unicode character equivalent to the sole character in <paramref name="s" />.</returns>
  static member Parse: s: string -> char
  
  ///<summary>Converts the value of a Unicode character to its lowercase equivalent.</summary>
  ///<param name="c">The Unicode character to convert.</param>
  ///<returns>The lowercase equivalent of <paramref name="c" />, or the unchanged value of <paramref name="c" />, if <paramref name="c" /> is already lowercase or not alphabetic.</returns>
  static member ToLower: c: char -> char
  
  ///<summary>Converts the value of a specified Unicode character to its lowercase equivalent using specified culture-specific formatting information.</summary>
  ///<param name="c">The Unicode character to convert.</param>
  ///<param name="culture">An object that supplies culture-specific casing rules.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="culture" /> is <see langword="null" />.</exception>
  ///<returns>The lowercase equivalent of <paramref name="c" />, modified according to <paramref name="culture" />, or the unchanged value of <paramref name="c" />, if <paramref name="c" /> is already lowercase or not alphabetic.</returns>
  static member ToLower: c: char * culture: Globalization.CultureInfo -> char
  
  ///<summary>Converts the value of a Unicode character to its lowercase equivalent using the casing rules of the invariant culture.</summary>
  ///<param name="c">The Unicode character to convert.</param>
  ///<returns>The lowercase equivalent of the <paramref name="c" /> parameter, or the unchanged value of <paramref name="c" />, if <paramref name="c" /> is already lowercase or not alphabetic.</returns>
  static member ToLowerInvariant: c: char -> char
  
  ///<summary>Converts the specified Unicode character to its equivalent string representation.</summary>
  ///<param name="c">The Unicode character to convert.</param>
  ///<returns>The string representation of the value of <paramref name="c" />.</returns>
  static member ToString: c: char -> string
  
  ///<summary>Converts the value of a Unicode character to its uppercase equivalent.</summary>
  ///<param name="c">The Unicode character to convert.</param>
  ///<returns>The uppercase equivalent of <paramref name="c" />, or the unchanged value of <paramref name="c" /> if <paramref name="c" /> is already uppercase, has no uppercase equivalent, or is not alphabetic.</returns>
  static member ToUpper: c: char -> char
  
  ///<summary>Converts the value of a specified Unicode character to its uppercase equivalent using specified culture-specific formatting information.</summary>
  ///<param name="c">The Unicode character to convert.</param>
  ///<param name="culture">An object that supplies culture-specific casing rules.</param>
  ///<exception cref="T:System.ArgumentNullException"><paramref name="culture" /> is <see langword="null" />.</exception>
  ///<returns>The uppercase equivalent of <paramref name="c" />, modified according to <paramref name="culture" />, or the unchanged value of <paramref name="c" /> if <paramref name="c" /> is already uppercase, has no uppercase equivalent, or is not alphabetic.</returns>
  static member ToUpper: c: char * culture: Globalization.CultureInfo -> char
  
  ///<summary>Converts the value of a Unicode character to its uppercase equivalent using the casing rules of the invariant culture.</summary>
  ///<param name="c">The Unicode character to convert.</param>
  ///<returns>The uppercase equivalent of the <paramref name="c" /> parameter, or the unchanged value of <paramref name="c" />, if <paramref name="c" /> is already uppercase or not alphabetic.</returns>
  static member ToUpperInvariant: c: char -> char
  static member TryParse: s: string * result: byref<char> -> bool
  
  ///<summary>Compares this instance to a specified <see cref="T:System.Char" /> object and indicates whether this instance precedes, follows, or appears in the same position in the sort order as the specified <see cref="T:System.Char" /> object.</summary>
  ///<param name="value">A <see cref="T:System.Char" /> object to compare.</param>
  ///<returns>A signed number indicating the position of this instance in the sort order in relation to the <paramref name="value" /> parameter.
  ///
  /// <list type="table"><listheader><term> Return Value</term><description> Description</description></listheader><item><term> Less than zero</term><description> This instance precedes <paramref name="value" />.</description></item><item><term> Zero</term><description> This instance has the same position in the sort order as <paramref name="value" />.</description></item><item><term> Greater than zero</term><description> This instance follows <paramref name="value" />.</description></item></list></returns>
  member CompareTo: value: char -> int
  
  ///<summary>Compares this instance to a specified object and indicates whether this instance precedes, follows, or appears in the same position in the sort order as the specified <see cref="T:System.Object" />.</summary>
  ///<param name="value">An object to compare this instance to, or <see langword="null" />.</param>
  ///<exception cref="T:System.ArgumentException"><paramref name="value" /> is not a <see cref="T:System.Char" /> object.</exception>
  ///<returns>A signed number indicating the position of this instance in the sort order in relation to the <paramref name="value" /> parameter.
  ///
  /// <list type="table"><listheader><term> Return Value</term><description> Description</description></listheader><item><term> Less than zero</term><description> This instance precedes <paramref name="value" />.</description></item><item><term> Zero</term><description> This instance has the same position in the sort order as <paramref name="value" />.</description></item><item><term> Greater than zero</term><description> This instance follows <paramref name="value" />.
  ///
  /// -or-
  ///
  /// <paramref name="value" /> is <see langword="null" />.</description></item></list></returns>
  member CompareTo: value: obj -> int
  
  ///<summary>Returns a value that indicates whether this instance is equal to the specified <see cref="T:System.Char" /> object.</summary>
  ///<param name="obj">An object to compare to this instance.</param>
  ///<returns><see langword="true" /> if the <paramref name="obj" /> parameter equals the value of this instance; otherwise, <see langword="false" />.</returns>
  member Equals: obj: char -> bool
  
  ///<summary>Returns a value that indicates whether this instance is equal to a specified object.</summary>
  ///<param name="obj">An object to compare with this instance or <see langword="null" />.</param>
  ///<returns><see langword="true" /> if <paramref name="obj" /> is an instance of <see cref="T:System.Char" /> and equals the value of this instance; otherwise, <see langword="false" />.</returns>
  member Equals: obj: obj -> bool
  
  ///<summary>Returns the hash code for this instance.</summary>
  ///<returns>A 32-bit signed integer hash code.</returns>
  member GetHashCode: unit -> int
  
  ///<summary>Returns the <see cref="T:System.TypeCode" /> for value type <see cref="T:System.Char" />.</summary>
  ///<returns>The enumerated constant, <see cref="F:System.TypeCode.Char" />.</returns>
  member GetTypeCode: unit -> TypeCode
  
  ///<summary>Converts the value of this instance to its equivalent string representation.</summary>
  ///<returns>The string representation of the value of this instance.</returns>
  member ToString: unit -> string
  
  ///<summary>Converts the value of this instance to its equivalent string representation using the specified culture-specific format information.</summary>
  ///<param name="provider">(Reserved) An object that supplies culture-specific formatting information.</param>
  ///<returns>The string representation of the value of this instance as specified by <paramref name="provider" />.</returns>
  member ToString: provider: IFormatProvider -> string
  static val MaxValue: char
  static val MinValue: char