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pca006132 2021-07-30 16:43:25 +08:00
parent eba92ed8bd
commit 197a72c658
1 changed files with 6 additions and 0 deletions
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6
nac3core/src/typecheck/typedef/test.rs
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@ -493,6 +493,12 @@ fn test_instantiation() {
let t = env.unifier.get_fresh_rigid_var().0; let t = env.unifier.get_fresh_rigid_var().0;
let tuple = env.unifier.add_ty(TypeEnum::TTuple { ty: vec![v, v1, v2] }); let tuple = env.unifier.add_ty(TypeEnum::TTuple { ty: vec![v, v1, v2] });
let v3 = env.unifier.get_fresh_var_with_range(&[tuple, t]).0; let v3 = env.unifier.get_fresh_var_with_range(&[tuple, t]).0;
// t = TypeVar('t')
// v = TypeVar('v', int, bool)
// v1 = TypeVar('v1', 'list[v]', int)
// v2 = TypeVar('v2', 'list[int]', float)
// v3 = TypeVar('v3', tuple[v, v1, v2], t)
// what values can v3 take?
let types = env.unifier.get_instantiations(v3).unwrap(); let types = env.unifier.get_instantiations(v3).unwrap();
let expected_types = indoc! {" let expected_types = indoc! {"