Dynamic array initialization syntax
Andrej Mitrovic
andrej.mitrovich at gmail.com
Wed Feb 16 16:53:15 PST 2011
import std.stdio;
import std.range;
auto newArray(T)(T value, size_t size)
{
return array(take(repeat(value), size));
}
void main()
{
auto a1 = newArray(5, 3);
assert(a1 == [5, 5, 5]);
}
__Dmain:; Function begin, communal
sub esp, 28 ; 0000 _ 83. EC, 1C
mov dword [esp+8H], 5 ; 0003 _ C7.
44 24, 08, 00000005
mov dword [esp+4H], 1 ; 000B _ C7.
44 24, 04, 00000001
mov edx, dword [esp+8H] ; 0013 _ 8B. 54 24, 08
mov eax, dword [esp+4H] ; 0017 _ 8B. 44 24, 04
push edx ; 001B _ 52
push eax ; 001C _ 50
call
_D3std5array72__T̔Sزange43״TakeֱֶRepeatTiZ˚ɚƆ>Ɓi; 001D _ E8,
00000000(rel)
add esp, 28 ; 0022 _ 83. C4, 1C
xor eax, eax ; 0025 _ 31. C0
ret ; 0027 _ C3
; __Dmain End of function
Is that good? I can't tell, I'm still working my way around the asm book. :)
But you did say there's an extra __memset32 call in your #2 example in
the bug issue report, and I don't see one here.
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