/* TEST_OUTPUT: --- fail_compilation/fail159.d(24): Error: static assert: `foo(S(1, 5), S(1, 4)) == 0` is false --- */ struct S { int i; int j = 3; int opEquals(S e2) { return 1; } } int foo(S s1, S s2) { return s1 == s2; } void main() { static assert(foo( S(1,5), S(1,5) ) == 1); static assert(foo( S(1,5), S(1,4) ) == 0); }