Packages
gleam_stdlib
0.17.1
1.0.3
1.0.2
1.0.1
1.0.0
0.71.0
0.70.0
0.69.0
0.68.1
0.68.0
0.67.1
0.67.0
0.65.0
0.64.0
0.63.2
0.63.1
0.63.0
0.62.1
0.62.0
0.61.0
0.60.0
0.59.0
0.58.0
0.57.0
0.56.0
0.55.0
0.54.0
0.53.0
0.52.0
0.51.0
0.50.0
0.49.0
0.48.0
0.47.0
0.46.0
0.45.0
0.44.0
0.43.0
0.42.0
0.41.0
0.40.0
0.39.0
0.38.0
0.37.0
0.36.0
0.35.1
0.35.0
0.34.0
0.33.1
0.33.0
0.32.1
0.32.0
0.31.0
0.30.2
0.30.1
0.30.0
0.29.2
0.29.1
0.29.0
0.28.2
0.28.1
0.28.0
0.27.0
0.26.1
0.26.0
0.25.0
0.24.0
0.23.0
0.22.3
0.22.2
0.22.1
0.22.0
0.21.0
0.20.0
0.19.3
0.19.2
0.19.1
0.19.0
0.18.1
0.18.0
0.18.0-rc1
0.17.1
0.17.0
0.16.0
0.15.0
0.14.0
0.13.0
0.12.0
0.11.0
0.10.1
0.10.0
0.9.0
0.8.0
0.7.0
0.6.0
0.5.0
0.4.0
0.4.0-rc1
0.3.1
0.3.0
0.2.0
retired
A standard library for the Gleam programming language
Current section
Files
Jump to
Current section
Files
gen/test/gleam@function_test.erl
-module(gleam@function_test).
-compile(no_auto_import).
-export([compose_test/0, curry2_test/0, curry3_test/0, curry4_test/0, curry5_test/0, curry6_test/0, flip_test/0, identity_test/0]).
-spec compose_test() -> nil.
compose_test() ->
Add_two = fun(Int) -> Int + 2 end,
Add_three = fun(Int@1) -> Int@1 + 3 end,
Add_five = gleam@function:compose(Add_two, Add_three),
_pipe = 1,
_pipe@1 = Add_five(_pipe),
gleam@should:equal(_pipe@1, 6),
Head_to_string = begin
_pipe@2 = fun gleam@list:head/1,
_pipe@3 = gleam@function:compose(
_pipe@2,
fun(_capture) -> gleam@result:unwrap(_capture, 0) end
),
gleam@function:compose(_pipe@3, fun gleam@int:to_string/1)
end,
_pipe@4 = [1],
_pipe@5 = Head_to_string(_pipe@4),
gleam@should:equal(_pipe@5, <<"1"/utf8>>),
_pipe@6 = [],
_pipe@7 = Head_to_string(_pipe@6),
gleam@should:equal(_pipe@7, <<"0"/utf8>>).
-spec curry2_test() -> nil.
curry2_test() ->
Fun = fun(A, B) -> A + B end,
Curried = gleam@function:curry2(Fun),
_pipe = (Curried(1))(2),
gleam@should:equal(_pipe, 3).
-spec curry3_test() -> nil.
curry3_test() ->
Fun = fun(A, B, C) -> (A + B) + C end,
Curried = gleam@function:curry3(Fun),
_pipe = ((Curried(1))(2))(4),
gleam@should:equal(_pipe, 7).
-spec curry4_test() -> nil.
curry4_test() ->
Fun = fun(A, B, C, D) -> ((A + B) + C) + D end,
Curried = gleam@function:curry4(Fun),
_pipe = (((Curried(1))(2))(4))(8),
gleam@should:equal(_pipe, 15).
-spec curry5_test() -> nil.
curry5_test() ->
Fun = fun(A, B, C, D, E) -> (((A + B) + C) + D) + E end,
Curried = gleam@function:curry5(Fun),
_pipe = ((((Curried(1))(2))(4))(8))(16),
gleam@should:equal(_pipe, 31).
-spec curry6_test() -> nil.
curry6_test() ->
Fun = fun(A, B, C, D, E, F) -> ((((A + B) + C) + D) + E) + F end,
Curried = gleam@function:curry6(Fun),
_pipe = (((((Curried(1))(2))(4))(8))(16))(32),
gleam@should:equal(_pipe, 63).
-spec flip_test() -> nil.
flip_test() ->
Fun = fun(S, I) ->
_pipe = S,
_pipe@1 = gleam@string:append(<<"String: '"/utf8>>, _pipe),
_pipe@2 = gleam@string:append(_pipe@1, <<"', Int: '"/utf8>>),
_pipe@3 = gleam@string:append(_pipe@2, gleam@int:to_string(I)),
gleam@string:append(_pipe@3, <<"'"/utf8>>)
end,
Flipped_fun = gleam@function:flip(Fun),
_pipe@4 = Fun(<<"Bob"/utf8>>, 1),
gleam@should:equal(_pipe@4, <<"String: 'Bob', Int: '1'"/utf8>>),
_pipe@5 = Flipped_fun(2, <<"Alice"/utf8>>),
gleam@should:equal(_pipe@5, <<"String: 'Alice', Int: '2'"/utf8>>).
-spec identity_test() -> nil.
identity_test() ->
_pipe = 1,
_pipe@1 = gleam@function:identity(_pipe),
gleam@should:equal(_pipe@1, 1),
_pipe@2 = <<""/utf8>>,
_pipe@3 = gleam@function:identity(_pipe@2),
gleam@should:equal(_pipe@3, <<""/utf8>>),
_pipe@4 = [],
_pipe@5 = gleam@function:identity(_pipe@4),
gleam@should:equal(_pipe@5, []),
_pipe@6 = {1, 2.0},
_pipe@7 = gleam@function:identity(_pipe@6),
gleam@should:equal(_pipe@7, {1, 2.0}).