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add behavior test for optional error union return type

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closes #1814
This commit is contained in:
Andrew Kelley
2022-12-27 13:46:57 -07:00
parent 19056cb682
commit f4b067743f
1 changed files with 13 additions and 0 deletions
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13
test/behavior/error.zig
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@@ -889,3 +889,16 @@ test "field access of anyerror results in smaller error set" {
try expect(@TypeOf(E2.A) == E2);
try expect(@TypeOf(@field(anyerror, "NotFound")) == error{NotFound});
}
test "optional error union return type" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
const S = struct {
fn foo() ?anyerror!u32 {
var x: u32 = 1234;
return @as(anyerror!u32, x);
}
};
try expect(1234 == try S.foo().?);
}