llvm-project/clang/test/SemaTemplate/member-function-template.cpp

76 lines
1.5 KiB
C++

// RUN: clang-cc -fsyntax-only -verify %s
struct X {
template<typename T> T& f0(T);
void g0(int i, double d) {
int &ir = f0(i);
double &dr = f0(d);
}
template<typename T> T& f1(T);
template<typename T, typename U> U& f1(T, U);
void g1(int i, double d) {
int &ir1 = f1(i);
int &ir2 = f1(d, i);
int &ir3 = f1(i, i);
}
};
void test_X_f0(X x, int i, float f) {
int &ir = x.f0(i);
float &fr = x.f0(f);
}
void test_X_f1(X x, int i, float f) {
int &ir1 = x.f1(i);
int &ir2 = x.f1(f, i);
int &ir3 = x.f1(i, i);
}
void test_X_f0_address() {
int& (X::*pm1)(int) = &X::f0;
float& (X::*pm2)(float) = &X::f0;
}
void test_X_f1_address() {
int& (X::*pm1)(int) = &X::f1;
float& (X::*pm2)(float) = &X::f1;
int& (X::*pm3)(float, int) = &X::f1;
}
void test_X_f0_explicit(X x, int i, long l) {
int &ir1 = x.f0<int>(i);
int &ir2 = x.f0<>(i);
long &il1 = x.f0<long>(i);
}
// PR4608
class A { template <class x> x a(x z) { return z+y; } int y; };
// PR5419
struct Functor {
template <typename T>
bool operator()(const T& v) const {
return true;
}
};
void test_Functor(Functor f) {
f(1);
}
// Instantiation on ->
template<typename T>
struct X1 {
template<typename U> U& get();
};
template<typename T> struct X2; // expected-note{{here}}
void test_incomplete_access(X1<int> *x1, X2<int> *x2) {
float &fr = x1->get<float>();
(void)x2->get<float>(); // expected-error{{implicit instantiation of undefined template}}
}