On Monday, 25 July 2022 at 11:14:56 UTC, pascal111 wrote:
module main;
import std.stdio;
import core.stdc.stdio;
import core.stdc.string;
int main(string[] args)
{
const(char)[] ch1 = "Hello World!";
char[] ch2="Hello World!".dup;
const(char) *p1;
char *p2;
p1=ch1.ptr;
p2=ch2.ptr;
writeln(p1[0..strlen(p1)]);
writeln(p2[0..strlen(p2)]);
return 0;
}
Runtime output:
https://i.postimg.cc/sfnkJ4GM/Screenshot-from-2022-07-25-13-12-03.png
Do not post screenshots of text.
`strlen` only works on null-terminated strings. The result of
`.dup` is not null-terminated, so `strlen` doesn't work on it.