llvm-project/clang/test/Parser/objcxx0x-lambda-expressions.mm

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// RUN: %clang_cc1 -fsyntax-only -verify -Wno-unused-value -Wno-c++1y-extensions -std=c++11 %s
class C {
id get(int);
void f() {
int foo, bar, baz;
// fail to parse as a lambda introducer, so we get objc message parsing errors instead
[foo,+] {}; // expected-error {{expected expression}}
[]; // expected-error {{expected body of lambda expression}}
[=,foo+] {}; // expected-error {{expected ',' or ']' in lambda capture list}}
[&this] {}; // expected-error {{cannot take the address of an rvalue of type 'C *'}}
[] {};
[=] (int i) {};
[&] (int) mutable -> void {};
[foo,bar] () { return 3; };
[=,&foo] () {};
[this] () {};
[foo(bar)] () {};
[foo = bar] () {};
[foo{bar}] () {};
[foo = {bar}] () {}; // expected-error {{<initializer_list>}}
[foo(bar) baz] () {}; // expected-error {{called object type 'int' is not a function}}
[foo(bar), baz] () {}; // ok
[foo = bar baz]; // expected-warning {{receiver type 'int'}} expected-warning {{instance method '-baz'}}
[get(bar) baz]; // expected-warning {{instance method '-baz'}}
[get(bar), baz]; // expected-error {{expected body of lambda}}
[foo = bar ++ baz]; // expected-warning {{receiver type 'int'}} expected-warning {{instance method '-baz'}}
[foo = bar + baz]; // expected-error {{expected body of lambda}}
[foo = { bar, baz }]; // expected-error {{<initializer_list>}} expected-error {{expected body of lambda}}
[foo = { bar } baz ]; // expected-warning {{receiver type 'int'}} expected-warning {{instance method '-baz'}}
[foo = { bar }, baz ]; // expected-error {{<initializer_list>}} expected-error {{expected body of lambda}}
}
};
struct Func {
template <typename F>
Func(F&&);
};
int getInt();
void test() {
[val = getInt()]() { };
Func{
[val = getInt()]() { }
};
}