代码搜索：using 有哪些应用？
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www.eeworm.com/read/162614/5517371
c using1.c
void f();
namespace N {
using ::f;
}
bool b;
void g() {
b = N::f == ::f;
}
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c using9.c
// { dg-do compile }
// Origin: C++ Standard Draft (7.3.3/12)
// PR c++/2294: using declarations should not conflict, but only cause
// an ambiguous overload set to be created.
namespace B {
void
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c using4.c
// { dg-do compile }
// Origin: Richard Guenther
// PR c++/9432: ICE in validate_nonmember_using_decl when decl is a
// SCOPE_REF.
template struct F
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c using13.c
// { dg-do compile }
// Origin: Stefan Stra遝r
// PR c++/20240:
namespace A { int a; }
namespace C{
int a;
using A::a; // { dg-error "already declared" }
}
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c using8.c
// { dg-do compile }
// Origin: Bill Clarke
// PR c++/11097: using declartion for a converter operator to a nested class
// in a base type
template
struct A
{
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c using7.c
template struct A
{
int i;
};
template struct B : A
{ // { dg-error "" }
using A::i; // { dg-error "" }
};
B b; // { dg-error "" }
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c using6.c
// { dg-do compile }
// Origin: Wolfgang Bangerth
// PR c++/9022, nested namespace in using declaration
namespace gnu {
namespace gcc {
}
}
using gnu::gcc; // { dg-
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c using2.c
// Copyright (C) 2001, 2002 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
//
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c using11.c
namespace N1 {
enum e { a };
void e(char);
}
void f() {
using N1::e;
enum e x;
}
www.eeworm.com/read/162614/5517471
c using14.c
// PR c++/21784
// { dg-options "" }
namespace mine
{
int cpow;
}
using mine::cpow;