http://d.puremagic.com/issues/show_bug.cgi?id=7428
Walter Bright <bugzi...@digitalmars.com> changed:
What |Removed |Added
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CC| |bugzi...@digitalmars.com
--- Comment #1 from Walter Bright <bugzi...@digitalmars.com> 2012-02-04
18:41:52 PST ---
I simplified this a bit (still hurts my brain, though). The bug is tripped when
a lambda is used rather than the equivalent nested function:
alias long delegate(long) dg_t;
void Y(dg_t delegate (dg_t) y)
{
struct F { long delegate(F) f; };
version (all)
{ // generates error
(dg_t delegate(F) a){return a(F((F b){return y(a(b))(1);})); }
((F b){return (long n){return b.f(b);};});
}
else
{
auto abc(dg_t delegate(F) a)
{
return a(F((F b){return y(a(b))(1);}));
}
abc((F b){return (long n){return b.f(b);};});
}
}
void main(){
auto foo(dg_t self)
{
auto bar(long i) { return self(1); }
return &bar;
}
Y(&foo);
}
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