3 fail_compilation/fail17969.d(10): Error: no property `sum` for type `fail17969.__lambda6!(int[]).__lambda6.MapResult2!((b) => b)`
4 fail_compilation/fail17969.d(16): struct `MapResult2` defined here
6 * https://issues.dlang.org/show_bug.cgi?id=17969
10 alias fun
= a
=> MapResult2
!(b
=> b
).sum
;
13 static assert(!is(typeof(fun(e
)) == void));
14 void foo() { fun(e
); }
16 struct MapResult2(alias fun
)