d语言原生实现reverse函数反转字符串

import std.stdio;

void reverse(ref char[] s) {
    int i = 0;
    int j = s.length - 1;
    while (i < j) {
        char temp = s[i];
        s[i] = s[j];
        s[j] = temp;
        i++;
        j--;
    }
}

void main() {
    char[] s = "hello".dup;
    reverse(s);
    writeln(s); // 输出 "olleh"
}