pub fn make_path_option_vec(vec: &[~str], stdin_hyphen: bool) -> ~[std::option::Option]
Convert a list of strings to an appropriate form for a FileInput
instance. stdin_hyphen controls whether - represents stdin or
a literal -.
Prefix searches with a type followed by a colon (e.g.
fn:) to restrict the search to a given type.
Accepted types are: fn, mod,
struct (or str), enum,
trait, typedef (or
tdef).