Function do_env_dir

Source
fn do_env_dir<'a, 'b, 'c, Pa: ParseSource<'a>, T: FromLaTeXToken<'a, Pa::Pos, Pa::Str>, Err: FnMut(String, SourceRange<Pa::Pos>, DiagnosticLevel), State: ParserState<'a, Pa, T, Err>>(
    arg: &Pa::Str,
    e: &'b mut Environment<'a, Pa::Pos, Pa::Str, T>,
    parser: &'c mut LaTeXParser<'a, Pa, T, Err, State>,
)