Is old style compile-time foreach redundant?
Stefan Koch
uplink.coder at googlemail.com
Sun Jan 7 00:55:27 UTC 2018
On Saturday, 6 January 2018 at 23:25:58 UTC, Ali Çehreli wrote:
> Is 'static foreach' sufficient for all needs or is there any
> value for regular foreach over compile-time sequences?
>
> Code unrelated to the question:
>
> import std.stdio;
>
> void main() {
> // Old style compile-time foreach. This still works
> // when 'static' is uncommented below.
> import std.meta : AliasSeq;
> /* static */ foreach (i; AliasSeq!(1, "hello", 2)) {
> writeln(i);
> }
>
> // Proper 'static foreach'.
> import std.range : iota;
> import std.algorithm : map;
> static foreach (i; 3.iota.map!(a => a * 10)) {
> writeln(i);
> }
> }
>
> Ali
No it's not.
When you can use the old style do so. Since it puts less stress
on the compiler in the general case.
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