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authorbors[bot] <26634292+bors[bot]@users.noreply.github.com>2020-04-05 16:23:10 +0100
committerGitHub <[email protected]>2020-04-05 16:23:10 +0100
commit3431312418ea255e98d3f94536344d396b9b07d6 (patch)
tree9c27eb88a68fceade7480ac83b1ba271c8e1f6f0 /crates/ra_hir_ty/src/tests
parente300e1e8d8f4de273d52fa62762ed14e8a7f96bb (diff)
parentb58a7f41f14f56375c602911be768d40cf46de04 (diff)
Merge #3857
3857: Fix inference of function pointer return types r=flodiebold a=lnicola Fixes #3852. r? @flodiebold Co-authored-by: LaurenČ›iu Nicola <[email protected]>
Diffstat (limited to 'crates/ra_hir_ty/src/tests')
-rw-r--r--crates/ra_hir_ty/src/tests/simple.rs26
1 files changed, 26 insertions, 0 deletions
diff --git a/crates/ra_hir_ty/src/tests/simple.rs b/crates/ra_hir_ty/src/tests/simple.rs
index a600b947d..141f0245a 100644
--- a/crates/ra_hir_ty/src/tests/simple.rs
+++ b/crates/ra_hir_ty/src/tests/simple.rs
@@ -1729,3 +1729,29 @@ fn foo() -> u32 {
1729 "### 1729 "###
1730 ); 1730 );
1731} 1731}
1732
1733#[test]
1734fn fn_pointer_return() {
1735 assert_snapshot!(
1736 infer(r#"
1737struct Vtable {
1738 method: fn(),
1739}
1740
1741fn main() {
1742 let vtable = Vtable { method: || {} };
1743 let m = vtable.method;
1744}
1745"#),
1746 @r###"
1747 [48; 121) '{ ...hod; }': ()
1748 [58; 64) 'vtable': Vtable
1749 [67; 91) 'Vtable...| {} }': Vtable
1750 [84; 89) '|| {}': || -> ()
1751 [87; 89) '{}': ()
1752 [101; 102) 'm': fn() -> ()
1753 [105; 111) 'vtable': Vtable
1754 [105; 118) 'vtable.method': fn() -> ()
1755 "###
1756 );
1757}