On Thursday, 29 March 2018 at 20:29:39 UTC, aerto wrote:
how i can convert Hello world! to hex 48656c6c6f20776f726c6421 ??

---
import std.format, std.stdio;
void main()
{
    writeln("Hello World!".format!("%(%02X%)"));
}
---

https://run.dlang.io/is/acz7kV

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