Drop unused imports

This commit is contained in:
Richard Feldman 2019-03-14 21:27:10 -04:00
parent e9ed1f3a58
commit c00e282d0f

View File

@ -1,15 +1,12 @@
use expr::Operator;
use expr::Expr;
use self::Problem::*;
use std::char;
use std::string;
use combine::parser::char::{char, letter, spaces, digit};
use combine::{attempt, between, choice, many1, parser, sep_by, Parser, optional};
use combine::error::{ParseError, ParseResult};
use combine::stream::{Stream, Positioned};
use combine::stream::state::State;
use combine::{choice, many1, parser, Parser, optional};
use combine::error::{ParseError};
use combine::stream::{Stream};
pub enum Problem {
// Number problems