```d// mixin(jread("width")); -> fread(&width, 1, width.sizeof, bfile); auto jread(string var) => `fread(&`~var~`, 1, `~var~`.sizeof, bfile); writeln("read var=", `~var~`);`;
```
```d// mixin(jread("width")); -> fread(&width, 1, width.sizeof, bfile); auto jread(string var) => `fread(&`~var~`, 1, `~var~`.sizeof, bfile); writeln("read var=", `~var~`);`;
```