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view tests/mini/dgs.d @ 1168:ab186e535e72
A different fix to #218 and DMD2682 that does not lead to constant folding regressions.
Fixes run/const_15, run/c/const_16_B.
The price is removing the lvalueness of struct literals. If it turns out too
much code depends on this behavior or we don't want to break with DMD, we
could keep struct literals as lvalues and instead convert struct literals used
as expression initializers into struct initializers.
author | Christian Kamm <kamm incasoftware de> |
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date | Sun, 29 Mar 2009 11:43:45 +0200 |
parents | 1bb99290e03a |
children |
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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"); }