On Monday, 9 August 2021 at 22:01:18 UTC, Patrick Schluter wrote:
On Monday, 9 August 2021 at 19:38:28 UTC, novice2 wrote:
format!"fmt"() and writef!"fmt"() templates
with compile-time checked format string
not accept %X for pointers,
but format() and writef() accept it
https://run.dlang.io/is/aQ05Ux
```
void main() {
import std.stdio: writefln;
int x;
writefln("%X", &x); //ok
writefln!"%s"(&x); //ok
//writefln!"%X"(&x); //compile error
}
```
is this intentional?
Yes. %X is to format integers.
It is to format pointers as well, according to the last table on
https://dlang.org/phobos/std_format.html.
|Type|Format character|Formatted as|
|-|-|-|
|Pointer| 's' |A null pointer is formatted as 'null'. All other
pointers are formatted as hexadecimal numbers with the format
character 'X'.|
| |'x', 'X' |Formatted as a hexadecimal number.|
It looks like a bug to me.
— Bastiaan.
