Related: https://issues.dlang.org/show_bug.cgi?id=24351
```
import std.format : format;
int x = cast(int)'x';
auto s1 = format("%r", x); // Works
auto s2 = format!"%r"(x); /* Error: reinterpreting cast from `int*` to `const(char)*` is not supported in CTFE */
```
Comment #1 by robert.schadek — 2024-12-01T16:42:17Z