Creates a single directory with a relative or absolute path.
sub_path should be encoded as WTF-8.sub_path should be encoded as valid UTF-8.sub_path is an opaque sequence of bytes with no particular encoding.Related:
createDirPathcreateDirAbsolutepub fn createDir(dir: Dir, io: Io, sub_path: []const u8, permissions: Permissions) CreateDirError!void
pub fn createDir(dir: Dir, io: Io, sub_path: []const u8, permissions: Permissions) CreateDirError!void {
return io.vtable.dirCreateDir(io.userdata, dir, sub_path, permissions);
}