1const Foo = extern struct {
2 derp: i32,
3};
4export fn foo(a: *i32) *Foo {
5 return @fieldParentPtr("a", a);
6}
7
8// error
9//
10// :5:28: error: no field named 'a' in struct 'tmp.Foo'
11// :1:20: note: struct declared here