authorgravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2019-06-26 23:25:53-04:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2019-06-26 23:25:53-04:00
log6c195ede54fe9f75c794204fb39c915a9e5581ed
tree549b048a21cc7818829b55b27ea0af3f267ba40f
parent01ff0d4d629c3800ebac68edfd91edb570aeaa59
signaturelock-open Commit is signed but in an unrecognized format.

add test case for defer modifying return value before returned

See #961

1 files changed, 17 insertions(+), 0 deletions(-)

test/stage1/behavior/defer.zig+17
...@@ -76,3 +76,20 @@ fn testNestedFnErrDefer() anyerror!void {...@@ -76,3 +76,20 @@ fn testNestedFnErrDefer() anyerror!void {
76 };76 };
77 return S.baz();77 return S.baz();
78}78}
79
80test "return variable while defer expression in scope to modify it" {
81 const S = struct {
82 fn doTheTest() void {
83 expect(notNull().? == 1);
84 }
85
86 fn notNull() ?u8 {
87 var res: ?u8 = 1;
88 defer res = null;
89 return res;
90 }
91 };
92
93 S.doTheTest();
94 comptime S.doTheTest();
95}