fjs - idea

fjs

http://pastebin.com/zKpJY9ck - copy from there

# single line comment

##
multi line comment
##

# variable assignment
a = 7.

# ######### #
# functions #
# ######### #

# anonymous function declaration
# - inside the function an line is terminated by a comma (,)
# - a function's end is determined by a full-stop (.)
# - a function's return value is the return value of the last line's expression/value
# - argument can have a default value if it isn't specified by the caller (d = 4)
# - splat argument (rest...) is an

# synthax
( [function head] )>
    ,
    .

# Example:
(c, d = 4, rest...) >
    a = rest[0],
    b = [a].

# named function declaration
f ( ... ) > .

# function expression
f = () > .

# named function expression
f = _f () >
    _f().

# self-invoking function
# - end in an exclamation mark

() >
    ,
    !

f () >
    !

# value of "f" will be the return value of the self invoking anonymous function declaration, NOT the function
f = () >
    ,
    !


# ######### #
# condition #
# ######### #
# - equal sing (=) means triple equal (===)
# - inside the condition a line is terminated by a comma (,)
# - a condition's end is determined by a full-stop (.)
# - AND is represented by a comma (,) - only inside the condition's core
# - OR is represented by a semi-colon (;) - only inside the condition's core
# - grouping is allowed - wrapping multiple expressions in parentheses
# synthax
?( [condition head] ,;)>
    ,
    .

# Example 1:
? ( a < 6, b = 10; c = 3, f() ) >
    x = 5,
    y = 6.

# Example 2:
? (
    a < 6 and b = 10 or 
    c = 3 and f()
) >
    x = 5,
    y = 6.

# ###### #
# switch #
# ###### #
# - BREAK is the full-stop (.)

# synthax
@( [switch head] ):,. .

# Example:
a = 3.

@ (a)

    # equal to ? (a = 1) >
    1 : firstMethod().

    2 :
    3 : secondMethod(),
        thirdMethod(). # multi-cases

    4 :
        fourthMethod(),
        fifthMethod().

      : sixthMethod(). # default case

    . # end of switch

# ##### ###### #
# smart switch #
# ##### ###### #
# - translates to if ... else conditions

# synthax
@@( [smart switch head] ) : [short expression],. .

# Example:
a = 5.

@@ (a)
    < 4 : doSomething() .

    = 4;
    = 5 : ... .

    > 6 :
        : ... . # default case
    .

# ##### #
# loops #
# ##### #
{ i [index], v [value] : c [collection] } >
    a = c[i],
    .