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gleam_stdlib

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A standard library for the Gleam programming language

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gleam_stdlib src gleam@function.erl
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src/gleam@function.erl 

-module(gleam@function).

-compile(no_auto_import).



-export([compose/2, curry2/1, curry3/1, curry4/1, curry5/1, curry6/1, flip/1, identity/1, constant/1, tap/2, apply1/2, apply2/3, apply3/4]).



-spec compose(fun((I) -> J), fun((J) -> K)) -> fun((I) -> K).

compose(Fun1, Fun2) ->

    fun(A) -> Fun2(Fun1(A)) end.



-spec curry2(fun((L, M) -> N)) -> fun((L) -> fun((M) -> N)).

curry2(Fun) ->

    fun(A) -> fun(B) -> Fun(A, B) end end.



-spec curry3(fun((P, Q, R) -> S)) -> fun((P) -> fun((Q) -> fun((R) -> S))).

curry3(Fun) ->

    fun(A) -> fun(B) -> fun(C) -> Fun(A, B, C) end end end.



-spec curry4(fun((U, V, W, X) -> Y)) -> fun((U) -> fun((V) -> fun((W) -> fun((X) -> Y)))).

curry4(Fun) ->

    fun(A) -> fun(B) -> fun(C) -> fun(D) -> Fun(A, B, C, D) end end end end.



-spec curry5(fun((AA, AB, AC, AD, AE) -> AF)) -> fun((AA) -> fun((AB) -> fun((AC) -> fun((AD) -> fun((AE) -> AF))))).

curry5(Fun) ->

    fun(A) ->

        fun(B) ->

            fun(C) -> fun(D) -> fun(E) -> Fun(A, B, C, D, E) end end end

        end

    end.



-spec curry6(fun((AH, AI, AJ, AK, AL, AM) -> AN)) -> fun((AH) -> fun((AI) -> fun((AJ) -> fun((AK) -> fun((AL) -> fun((AM) -> AN)))))).

curry6(Fun) ->

    fun(A) ->

        fun(B) ->

            fun(C) ->

                fun(D) -> fun(E) -> fun(F) -> Fun(A, B, C, D, E, F) end end end

            end

        end

    end.



-spec flip(fun((AP, AQ) -> AR)) -> fun((AQ, AP) -> AR).

flip(Fun) ->

    fun(B, A) -> Fun(A, B) end.



-spec identity(AS) -> AS.

identity(X) ->

    X.



-spec constant(AT) -> fun((any()) -> AT).

constant(Value) ->

    fun(_) -> Value end.



-spec tap(AV, fun((AV) -> any())) -> AV.

tap(Arg, Effect) ->

    Effect(Arg),

    Arg.



-spec apply1(fun((AX) -> AY), AX) -> AY.

apply1(Fun, Arg1) ->

    Fun(Arg1).



-spec apply2(fun((AZ, BA) -> BB), AZ, BA) -> BB.

apply2(Fun, Arg1, Arg2) ->

    Fun(Arg1, Arg2).



-spec apply3(fun((BC, BD, BE) -> BF), BC, BD, BE) -> BF.

apply3(Fun, Arg1, Arg2, Arg3) ->

    Fun(Arg1, Arg2, Arg3).