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add Result.after

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This commit is contained in:
Folkert 2021-03-06 01:53:37 +01:00
parent d7904b1d41
commit d8bc44fd47
3 changed files with 111 additions and 0 deletions
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16
compiler/builtins/src/std.rs
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@ -1137,6 +1137,22 @@ pub fn types() -> MutMap<Symbol, (SolvedType, Region)> {
),
);
// after : Result a err, (a -> Result b err) -> Result b err
add_type(
Symbol::RESULT_AFTER,
top_level_function(
vec![
result_type(flex(TVAR1), flex(TVAR3)),
closure(
vec![flex(TVAR1)],
TVAR4,
Box::new(result_type(flex(TVAR2), flex(TVAR3))),
),
],
Box::new(result_type(flex(TVAR2), flex(TVAR3))),
),
);
// withDefault : Result a x, a -> a
add_type(
Symbol::RESULT_WITH_DEFAULT,