template4.c

来自「gcc3.2.1源代码」· C语言 代码 · 共 21 行

// Build don't link:

// Copyright (C) 1999 Free Software Foundation

// by Alexandre Oliva <[e-mail]>
// based on bug report by Andrey Slepuhin <[e-mail]>

template <const int&> struct X {};

int a = 1;
X<a> x; // ok, a has external linkage

const int b = 2;
X<b> y; // ERROR - const b has internal linkage

extern const int c;
X<c> z; // ok, c has external linkage

extern const int c = 3;
X<c> z_; // gets bogus error - using c as constant