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gleam_stdlib
0.17.0
1.0.3
1.0.2
1.0.1
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0.68.1
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retired
A standard library for the Gleam programming language
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gen/test/gleam@pair_test.erl
-module(gleam@pair_test).
-compile(no_auto_import).
-export([first_test/0, second_test/0, swap_test/0, map_first_test/0, map_second_test/0]).
-spec first_test() -> nil.
first_test() ->
_pipe = {1, 2},
_pipe@1 = gleam@pair:first(_pipe),
gleam@should:equal(_pipe@1, 1),
_pipe@2 = {<<"abc"/utf8>>, []},
_pipe@3 = gleam@pair:first(_pipe@2),
gleam@should:equal(_pipe@3, <<"abc"/utf8>>).
-spec second_test() -> nil.
second_test() ->
_pipe = {1, 2},
_pipe@1 = gleam@pair:second(_pipe),
gleam@should:equal(_pipe@1, 2),
_pipe@2 = {<<"abc"/utf8>>, []},
_pipe@3 = gleam@pair:second(_pipe@2),
gleam@should:equal(_pipe@3, []).
-spec swap_test() -> nil.
swap_test() ->
_pipe = {1, <<"2"/utf8>>},
_pipe@1 = gleam@pair:swap(_pipe),
gleam@should:equal(_pipe@1, {<<"2"/utf8>>, 1}).
-spec map_first_test() -> nil.
map_first_test() ->
Inc = fun(A) -> A + 1 end,
_pipe = gleam@pair:map_first({1, 2}, Inc),
gleam@should:equal(_pipe, {2, 2}),
_pipe@1 = gleam@pair:map_first({8, 2}, Inc),
gleam@should:equal(_pipe@1, {9, 2}),
_pipe@2 = gleam@pair:map_first({0, -2}, Inc),
gleam@should:equal(_pipe@2, {1, -2}),
_pipe@3 = gleam@pair:map_first({-10, 20}, Inc),
gleam@should:equal(_pipe@3, {-9, 20}).
-spec map_second_test() -> nil.
map_second_test() ->
Dec = fun(A) -> A - 1 end,
_pipe = gleam@pair:map_second({1, 2}, Dec),
gleam@should:equal(_pipe, {1, 1}),
_pipe@1 = gleam@pair:map_second({8, 2}, Dec),
gleam@should:equal(_pipe@1, {8, 1}),
_pipe@2 = gleam@pair:map_second({0, -2}, Dec),
gleam@should:equal(_pipe@2, {0, -3}),
_pipe@3 = gleam@pair:map_second({-10, 20}, Dec),
gleam@should:equal(_pipe@3, {-10, 19}).