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add Set.contains

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This commit is contained in:
Folkert 2021-02-16 00:12:57 +01:00
parent fdf020d89a
commit 5826da028c
6 changed files with 49 additions and 1 deletions
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8
compiler/builtins/src/std.rs
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@ -969,6 +969,14 @@ pub fn types() -> MutMap<Symbol, (SolvedType, Region)> {
),
);
add_type(
Symbol::SET_CONTAINS,
top_level_function(
vec![set_type(flex(TVAR1)), flex(TVAR1)],
Box::new(bool_type()),
),
);
// Result module
// map : Result a err, (a -> b) -> Result b err