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Diffstat (limited to 'src')
| -rw-r--r-- | src/gleam/dict.gleam | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/gleam/dict.gleam b/src/gleam/dict.gleam index f44daa3..99ca30c 100644 --- a/src/gleam/dict.gleam +++ b/src/gleam/dict.gleam @@ -35,6 +35,24 @@ pub type Dict(key, value) @external(javascript, "../gleam_stdlib.mjs", "map_size") pub fn size(dict: Dict(k, v)) -> Int +/// Determines whether or not the dict is empty. +/// +/// ## Examples +/// +/// ```gleam +/// new() |> is_empty +/// // -> True +/// ``` +/// +/// ```gleam +/// new() |> insert("b", 1) |> is_empty +/// // -> False +/// ``` +/// +pub fn is_empty(dict: Dict(a, b)) -> Bool { + dict == new() +} + /// Converts the dict to a list of 2-element tuples `#(key, value)`, one for /// each key-value pair in the dict. /// |