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// RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify
void missing_lambda_declarator() {
[](){}();
}
template<typename T> T get();
void infer_void_return_type(int i) {
if (i > 17)
return []() { }();
if (i > 11)
return []() { return; }();
return [](int x) {
switch (x) {
case 0: return get<void>();
case 1: return;
case 2: return { 1, 2.0 }; // expected-error{{cannot deduce lambda return type from initializer list}}
}
}(7);
}
struct X { };
X infer_X_return_type(X x) {
return [&x](int y) { // expected-warning{{omitted result type}}
if (y > 0)
return X();
else
return x;
}(5);
}
X infer_X_return_type_fail(X x) {
return [x](int y) { // expected-warning{{omitted result type}}
if (y > 0)
return X();
else
return x; // expected-error{{return type 'const X' must match previous return type 'X' when lambda expression has unspecified explicit return type}}
}(5);
}
struct Incomplete; // expected-note{{forward declaration of 'Incomplete'}}
void test_result_type(int N) {
auto l1 = [] () -> Incomplete { }; // expected-error{{incomplete result type 'Incomplete' in lambda expression}}
typedef int vla[N];
auto l2 = [] () -> vla { }; // expected-error{{function cannot return array type 'vla' (aka 'int [N]')}}
}
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