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view tests/mini/dgs.d @ 1603:eae495e6ae8d
Merge DMD r248: implement Denis Koroskin's macro suggestion
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dmd/lexer.c | 2 +-
dmd/lexer.h | 8 ++++----
dmd/mars.c | 2 +-
dmd/parse.c | 12 ++++++------
4 files changed, 12 insertions(+), 12 deletions(-)
author | Leandro Lucarella <llucax@gmail.com> |
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date | Wed, 06 Jan 2010 15:18:19 -0300 |
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"); }