djtech42

struct RegexPattern {
    let pattern: String
    let options: NSRegularExpression.Options
    
    init(_ pattern: String, options: NSRegularExpression.Options) {
        self.pattern = pattern
        self.options = options
    }
}

djtech42

/* *** implementation for using the RegexPattern struct that can specify both a 
regex pattern and options in pattern matching *** */
func ~=(lhs: RegexPattern, rhs: String) -> Bool {
    return
        try! NSRegularExpression(
                pattern: lhs.pattern, 
                options: lhs.options
            ) 
            .numberOfMatches(
                in: rhs, 

djtech42

// *** different ways a string can match using our pattern matching operator ***
enum StringMatchType {
    case literal
    case escapedRegularExpression
    case regularExpression(withOptions: NSRegularExpression.Options)
}

/* *** example function that returns how the string matches against
a literal string and a regex pattern in default and case insensitive modes *** */
func typeOfMatch(for string: String) -> StringMatchType? {

djtech42

var value: String? = "test"

value <*> { print($0) } <> { print("value is nil") } // OUTPUT: test

value = nil

value <*> { print($0) } <> { print("value is nil") } // OUTPUT: value is nil

djtech42

var value = 1005

print(ternary(if: value > 1000, then: "big", else: "small")) // OUTPUT: big

value = 5

print(ternary(if: value > 1000, then: "big", else: "small")) // OUTPUT: small

djtech42

func when<T, U>(_ value: T, _ cases: [T:U], else elseCaseValue: U) -> U {
    if let existingCaseValue = cases[value] {
        return existingCaseValue
    }
    else {
        return elseCaseValue
    }
}

djtech42

apt-get update && aptitude dist-upgrade -y && apt-get autoremove -y

djtech42

*~

# Python
#

*.pyc
*.pyo

# macOS
#

djtech42

chsh -s `which fish`

djtech42

.2sf    Nintendo DS Sound File
.2sflib Nintendo DS Audio Library File
.3ga    3GPP Audio File
.4mp    4-MP3 Database File
.5xb    Line 6 POD HD500X Edit Bundle
.5xe    Line 6 POD HD500X Edit Preset File
.5xs    Line 6 POD HD500X Edit Setlist File
.669    UNIS Composer 669 Module
.6cm    Six Channel Module
.8cm    Eight Channel Module