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(.module:
[library
[lux {"-" [if loop]}
["$" documentation {"+" [documentation:]}]
[data
[text {"+" [\n]}
["%" format {"+" [format]}]]
[collection
["." list ("#\." monad)]]]
[macro
["." template]]
[math
[number
["n" nat]
["i" int]
["r" rev]
["f" frac]]]]]
[\\library
["." /]])
(documentation: /.=>
"Concatenative function types."
[(=> [Nat] [Nat])]
[(All (_ a)
(-> a (=> [] [a])))]
[(All (_ t)
(=> [t] []))]
[(All (_ a b c)
(=> [a b c] [b c a]))]
[(All (_ ___a ___z)
(=> {then (=> ___a ___z)
else (=> ___a ___z)}
___a [Bit then else] ___z))])
(documentation: /.||>
"A self-contained sequence of concatenative instructions."
[(same? value
(||> (push sample)))]
[(||> (push 123)
dup
n/=)])
(documentation: /.word:
"A named concatenative function."
[(word: square
(=> [Nat] [Nat])
dup
(apply/2 n.*))])
(documentation: /.apply
"A generator for functions that turn arity N functions into arity N concatenative functions."
[(: (=> [Nat] [Nat])
((apply 1) ++))])
(template [<arity>]
[(with_expansions [<name> (template.identifier [/._] ["apply/" <arity>])
<doc> (template.text ["Lift a function of arity " <arity>
" into a concatenative function of arity " <arity> "."])]
(documentation: <name>
<doc>))]
[1] [2] [3] [4]
[5] [6] [7] [8]
)
(documentation: /.push
"Push a value onto the stack.")
(documentation: /.drop
"Drop/pop a value from the top of the stack.")
(documentation: /.nip
"Drop the second-to-last value from the top of the stack.")
(documentation: /.dup
"Duplicate the top of the stack.")
(documentation: /.swap
"Swaps the 2 topmost stack values.")
(documentation: /.rotL
"Rotes the 3 topmost stack values to the left.")
(documentation: /.rotR
"Rotes the 3 topmost stack values to the right.")
(documentation: /.&&
"Groups the 2 topmost stack values as a 2-tuple.")
(documentation: /.||L
"Left-injects the top into sum.")
(documentation: /.||R
"Right-injects the top into sum.")
(template [<input> <word> <func>]
[(`` (documentation: (~~ (template.identifier [/._] [<word>]))
(~~ (template.text [<func> " for " <input> " arithmetic."]))))]
[Nat n/+ n.+]
[Nat n/- n.-]
[Nat n/* n.*]
[Nat n// n./]
[Nat n/% n.%]
[Nat n/= n.=]
[Nat n/< n.<]
[Nat n/<= n.<=]
[Nat n/> n.>]
[Nat n/>= n.>=]
[Int i/+ i.+]
[Int i/- i.-]
[Int i/* i.*]
[Int i// i./]
[Int i/% i.%]
[Int i/= i.=]
[Int i/< i.<]
[Int i/<= i.<=]
[Int i/> i.>]
[Int i/>= i.>=]
[Rev r/+ r.+]
[Rev r/- r.-]
[Rev r/* r.*]
[Rev r// r./]
[Rev r/% r.%]
[Rev r/= r.=]
[Rev r/< r.<]
[Rev r/<= r.<=]
[Rev r/> r.>]
[Rev r/>= r.>=]
[Frac f/+ f.+]
[Frac f/- f.-]
[Frac f/* f.*]
[Frac f// f./]
[Frac f/% f.%]
[Frac f/= f.=]
[Frac f/< f.<]
[Frac f/<= f.<=]
[Frac f/> f.>]
[Frac f/>= f.>=]
)
(documentation: /.if
"If expression."
[(same? "then"
(||> (push true)
(push "then")
(push "else")
if))])
(documentation: /.call
"Executes an anonymous block on the stack.")
(documentation: /.loop
"Executes a block as a loop until it yields #0 to stop.")
(documentation: /.dip
"Executes a block on the stack, save for the topmost value.")
(documentation: /.dip/2
"Executes a block on the stack, save for the 2 topmost values.")
(documentation: /.do
"Do-while loop expression."
[(n.= (++ sample)
(||> (push sample)
(push (push false))
(push (|>> (push 1) n/+))
do while))])
(documentation: /.while
"While loop expression."
[(n.= (n.+ distance start)
(||> (push start)
(push (|>> dup
(push start) n/-
(push distance) n/<))
(push (|>> (push 1) n/+))
while))])
(documentation: /.compose
"Function composition."
[(n.= (n.+ 2 sample)
(||> (push sample)
(push (|>> (push 1) n/+))
(push (|>> (push 1) n/+))
compose
call))])
(documentation: /.partial
"Partial application."
[(n.= (n.+ sample sample)
(||> (push sample)
(push sample)
(push n/+)
partial
call))])
(documentation: /.when
"Only execute the block when #1.")
(documentation: /.?
"Choose the top value when #0 and the second-to-top when #1.")
(.def: .public documentation
(.List $.Module)
($.module /._
""
[..=>
..||>
..word:
..apply
..apply/1
..apply/2
..apply/3
..apply/4
..apply/5
..apply/6
..apply/7
..apply/8
..push
..drop
..nip
..dup
..swap
..rotL
..rotR
..&&
..||L
..||R
..if
..call
..loop
..dip
..dip/2
..do
..while
..compose
..partial
..when
..?
..n/+
..n/-
..n/*
..n//
..n/%
..n/=
..n/<
..n/<=
..n/>
..n/>=
..i/+
..i/-
..i/*
..i//
..i/%
..i/=
..i/<
..i/<=
..i/>
..i/>=
..r/+
..r/-
..r/*
..r//
..r/%
..r/=
..r/<
..r/<=
..r/>
..r/>=
..f/+
..f/-
..f/*
..f//
..f/%
..f/=
..f/<
..f/<=
..f/>
..f/>=]
[]))
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