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Add List.concat

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This commit is contained in:
Richard Feldman 2020-04-05 22:42:24 -04:00
parent 41662af399
commit 7ad4fb0e68
2 changed files with 10 additions and 0 deletions
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9
compiler/builtins/src/std.rs
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@ -408,6 +408,15 @@ pub fn types() -> MutMap<Symbol, (SolvedType, Region)> {
),
);
// concat : List elem, List elem -> List elem
add_type(
Symbol::LIST_CONCAT,
SolvedType::Func(
vec![list_type(flex(TVAR1)), list_type(flex(TVAR1))],
Box::new(list_type(flex(TVAR1))),
),
);
// map : List before, (before -> after) -> List after
add_type(
Symbol::LIST_MAP,