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Diffstat (limited to 'src')
| -rw-r--r-- | src/gleam/option.gleam | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/gleam/option.gleam b/src/gleam/option.gleam index f74abbd..8045a28 100644 --- a/src/gleam/option.gleam +++ b/src/gleam/option.gleam @@ -1,3 +1,5 @@ +import gleam/list + /// Option represents a value that may be present or not. Some means the value is /// present, None means the value is not. /// @@ -180,3 +182,17 @@ pub fn or(first: Option(a), second: Option(a)) -> Option(a) { None -> second } } + +/// Given a list of options +/// Return only the values inside Some +/// +/// ## Examples +/// +/// ``` +/// > values([Some(1), None, Some(3)]) +/// [1, 3] +/// ``` +/// +pub fn values(options: List(Option(a))) -> List(a) { + list.filter_map(options, fn(op) { to_result(op, "") }) +} |