Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/explicit3.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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// Test for "contextually converted to bool" // { dg-do compile { target c++11 } } struct A { explicit operator bool(); }; void f (bool); struct B { bool b; }; struct C { operator int(); }; struct D { operator int(); }; int main() { A a; C c; D d; // These contexts use an explicit bool conversion. if (a) {} for (; a; ) {} do {} while (a); while (a) {} a ? 1 : 0; a || true; a && true; !a; a ? c : 1; a ? c : d; // These do not. switch (a); // { dg-error "" } bool b = a; // { dg-error "" } f(a); // { dg-error "" } B b2 = { a }; // { dg-error "" } a + true; // { dg-error "5:no match" } b ? a : true; // { dg-error "5:?:" } a ? a : true; // { dg-error "5:?:" } }