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Implement dyn Trait unsizing as well

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Florian Diebold 2020-02-21 19:05:27 +01:00 • committed by Florian Diebold
parent de39d221a1
commit 0dfbbaf03b
5 changed files with 136 additions and 9 deletions
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8
crates/ra_hir_ty/src/tests/coercion.rs
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@ -576,7 +576,6 @@ fn test() {
);
}
#[ignore]
#[test]
fn coerce_unsize_trait_object() {
assert_snapshot!(
@ -600,6 +599,13 @@ fn test() {
}
"#, true),
@r###"
[240; 300) '{ ...obj; }': ()
[250; 253) 'obj': &dyn Bar
[266; 268) '&S': &S
[267; 268) 'S': S
[278; 281) 'obj': &dyn Foo
[294; 297) 'obj': &dyn Bar
[294; 297): expected &dyn Foo, got &dyn Bar
"###
);
}