Adjust visibility

src/lib.rs

@@ -6,9 +6,9 @@ mod sequence;
 use bnf::Bnf;
 use std::rc::Rc;
 
-type ParseResult<I, O, E> = Result<(O, I), E>;
+pub type ParseResult<I, O, E> = Result<(O, I), E>;
 
-trait Parser<I, O, E> {
+pub trait Parser<I, O, E> {
     fn parse(&self, input: I) -> ParseResult<I, O, E>;
     fn bnf(&self) -> Option<Bnf> {
         None
@@ -50,7 +50,7 @@ trait Parser<I, O, E> {
     }
 }
 
-struct BoxedParser<'a, I, O, E> {
+pub struct BoxedParser<'a, I, O, E> {
     inner: Box<dyn Parser<I, O, E> + 'a>,
 }
 

src/sequence.rs

@@ -1,6 +1,6 @@
 use crate::Parser;
 
-pub(crate) fn tuple2<P1, P2, I, O1, O2, E>(parser1: P1, parser2: P2) -> impl Parser<I, (O1, O2), E>
+pub fn tuple2<P1, P2, I, O1, O2, E>(parser1: P1, parser2: P2) -> impl Parser<I, (O1, O2), E>
 where
     P1: Parser<I, O1, E>,
     P2: Parser<I, O2, E>,