ref: 3af73a7086c91dd6b94b5407081e4a9c80014a5b dir: /lib/std/chomp.myr/
use "hasprefix" pkg std = const chomp : (str : byte[:], pfx : byte[:] -> byte[:]) ;; const chomp = {str, pfx if std.hasprefix(str, pfx) -> str[pfx.len:] else -> str ;; }