Mercurial > projects > ldc
view tests/mini/dgs.d @ 1404:11b122f92136
Now that templates instantiations are no longer emitted for all modules that
even blink at them they seem to break due to being linkonce (if compiled with
any optimization level > 0), so let's give them weak linkage instead.
The difference is that unreferenced linkonce symbols can be deleted, while
weak symbols need to be preserved.
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Thu, 21 May 2009 15:23:28 +0200 |
parents | 1bb99290e03a |
children |
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line source
extern(C) int printf(char*, ...); struct S { int i; int square() { return i*i; } int plus(int a) { return i + a; } int minus(int a) { return i - a; } int delegate(int) get(char op) { int delegate(int) rval; if (op == '+') rval = + else if (op == '-') rval = − return rval; } } int calldg1(int delegate(int) dg, int i) { return dg(i); } void delegate() retdg() { void delegate() dg; return dg; } void getretdg() { void delegate() dg; dg = retdg(); } class C { int i; void m() { i = 42; } } void getclassdg() { scope c = new C; void delegate() dg = &c.m; assert(c.i != 42); dg(); assert(c.i == 42); } void main() { printf("Delegate test\n"); S s = S(4); auto dg = &s.square; //assert(dg() == 16); //dg(); /*auto dg1 = &s.plus; assert(dg1(6) == 10); auto dg2 = &s.minus; assert(calldg1(dg2,30) == -26); auto dg3 = s.get('+'); assert(dg3(16) == 20); getretdg(); getclassdg();*/ printf(" SUCCESS\n"); }