diff options
Diffstat (limited to 'gen')
| -rw-r--r-- | gen/src/gleam@list.erl | 11 | ||||
| -rw-r--r-- | gen/test/gleam@list_test.erl | 8 |
2 files changed, 17 insertions, 2 deletions
diff --git a/gen/src/gleam@list.erl b/gen/src/gleam@list.erl index 7781dcc..e8eabd2 100644 --- a/gen/src/gleam@list.erl +++ b/gen/src/gleam@list.erl @@ -1,7 +1,7 @@ -module(gleam@list). -compile(no_auto_import). --export([length/1, reverse/1, is_empty/1, contains/2, head/1, tail/1, filter/2, map/2, index_map/2, traverse/2, drop/2, take/2, new/0, append/2, flatten/1, fold/3, fold_right/3, find/2, all/2, any/2, zip/2, strict_zip/2, intersperse/2, at/2, unique/1, sort/2, range/2, repeat/2, split/2, split_while/2]). +-export([length/1, reverse/1, is_empty/1, contains/2, head/1, tail/1, filter/2, map/2, index_map/2, traverse/2, drop/2, take/2, new/0, append/2, flatten/1, fold/3, fold_right/3, find/2, all/2, any/2, zip/2, strict_zip/2, intersperse/2, at/2, unique/1, sort/2, range/2, repeat/2, split/2, split_while/2, key_find/2]). length(A) -> erlang:length(A). @@ -373,3 +373,12 @@ do_split_while(List, F, Acc) -> split_while(List, F) -> do_split_while(List, F, []). + +key_find(Haystack, Needle) -> + find(Haystack, fun(P) -> case gleam@pair:first(P) =:= Needle of + true -> + {ok, gleam@pair:second(P)}; + + false -> + {error, nil} + end end). diff --git a/gen/test/gleam@list_test.erl b/gen/test/gleam@list_test.erl index fb04d25..dcb4ceb 100644 --- a/gen/test/gleam@list_test.erl +++ b/gen/test/gleam@list_test.erl @@ -1,7 +1,7 @@ -module(gleam@list_test). -compile(no_auto_import). --export([length_test/0, reverse_test/0, is_empty_test/0, contains_test/0, head_test/0, tail_test/0, filter_test/0, map_test/0, traverse_test/0, drop_test/0, take_test/0, new_test/0, append_test/0, flatten_test/0, fold_test/0, fold_right_test/0, find_test/0, all_test/0, any_test/0, zip_test/0, strict_zip_test/0, intersperse_test/0, at_test/0, unique_test/0, sort_test/0, index_map_test/0, range_test/0, repeat_test/0, split_test/0, split_while_test/0]). +-export([length_test/0, reverse_test/0, is_empty_test/0, contains_test/0, head_test/0, tail_test/0, filter_test/0, map_test/0, traverse_test/0, drop_test/0, take_test/0, new_test/0, append_test/0, flatten_test/0, fold_test/0, fold_right_test/0, find_test/0, all_test/0, any_test/0, zip_test/0, strict_zip_test/0, intersperse_test/0, at_test/0, unique_test/0, sort_test/0, index_map_test/0, range_test/0, repeat_test/0, split_test/0, split_while_test/0, key_find_test/0]). length_test() -> gleam@expect:equal(gleam@list:length([]), 0), @@ -265,3 +265,9 @@ split_while_test() -> gleam@list:split_while([1, 2, 3, 4, 5], fun(X) -> X =< -3 end), {[], [1, 2, 3, 4, 5]} ). + +key_find_test() -> + Proplist = [{0, <<"1">>}, {1, <<"2">>}], + gleam@expect:equal(gleam@list:key_find(Proplist, 0), {ok, <<"1">>}), + gleam@expect:equal(gleam@list:key_find(Proplist, 1), {ok, <<"2">>}), + gleam@expect:is_error(gleam@list:key_find(Proplist, 2)). |