Files
clang-p2996/clang/test/CXX/expr/expr.prim/expr.prim.lambda/p12.cpp
Douglas Gregor f02455e5ee Add various tests for captures and the reaching scope of the lambda
expression. Implement C++11 [expr.prim.lambda]p12's requirement that
capturing a variable will odr-use it.

llvm-svn: 150237
2012-02-10 09:26:04 +00:00

49 lines
1004 B
C++

// RUN: %clang_cc1 -std=c++11 %s -Wunused -verify
void odr_used() {
int i = 17;
[i]{}();
}
struct ReachingThis {
static void static_foo() {
(void)[this](){}; // expected-error{{'this' cannot be captured in this context}}
struct Local {
int i;
void bar() {
(void)[this](){};
(void)[&](){i = 7; };
}
};
}
void foo() {
(void)[this](){};
struct Local {
int i;
static void static_bar() {
(void)[this](){}; // expected-error{{'this' cannot be captured in this context}}
(void)[&](){i = 7; }; // expected-error{{invalid use of nonstatic data member 'i'}}
}
};
}
};
void immediately_enclosing(int i) { // expected-note{{'i' declared here}}
[i]() {
[i] {}();
}();
[=]() {
[i] {}();
}();
[]() { // expected-note{{lambda expression begins here}}
[i] {}(); // expected-error{{variable 'i' cannot be implicitly captured in a lambda with no capture-default specified}}
}();
}