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TheRock/compiler/amd-llvm/clang/test/CXX/expr/expr.prim/expr.prim.lambda/p6.cpp
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

35 lines
1.3 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify
// RUN: %clang_cc1 -fsyntax-only -std=c++1z %s -verify
// RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -triple i386-windows-pc -verify
// RUN: %clang_cc1 -fsyntax-only -std=c++1z %s -triple i386-windows-pc -verify
void test_conversion() {
int (*fp1)(int) = [](int x) { return x + 1; };
void (*fp2)(int) = [](int x) { };
const auto lambda = [](int x) { };
void (*fp3)(int) = lambda;
volatile const auto lambda2 = [](int x) { }; // expected-note{{but method is not marked volatile}}
void (*fp4)(int) = lambda2; // expected-error{{no viable conversion}}
void (*fp5)(int) noexcept = [](int x) { };
#if __cplusplus > 201402L
// expected-error@-2 {{no viable}} expected-note@-2 {{candidate}}
void (*fp5a)(int) noexcept = [](auto x) { };
// expected-error@-1 {{no viable}} expected-note@-1 {{candidate}}
void (*fp5b)(int) noexcept = [](auto x) noexcept { };
#endif
void (*fp6)(int) noexcept = [](int x) noexcept { };
}
void test_no_conversion() {
int (*fp1)(int) = [=](int x) { return x + 1; }; // expected-error{{no viable conversion}}
void (*fp2)(int) = [&](int x) { }; // expected-error{{no viable conversion}}
}
void test_wonky() {
const auto l = [](int x) mutable -> int { return + 1; };
l(17); // okay: uses conversion function
}