Drop 2 from name of TokenStreamExt2

Author: dtolnay

src/buffer.rs

@@ -5,7 +5,7 @@
 // Syn, and caution should be used when editing it. The public-facing interface
 // is 100% safe but the implementation is fragile internally.
 
-use crate::ext::TokenStreamExt2 as _;
+use crate::ext::TokenStreamExt as _;
 use crate::Lifetime;
 use proc_macro2::extra::DelimSpan;
 use proc_macro2::{Delimiter, Group, Ident, Literal, Punct, Spacing, Span, TokenStream, TokenTree};

src/error.rs

@@ -1,6 +1,6 @@
 #[cfg(feature = "parsing")]
 use crate::buffer::Cursor;
-use crate::ext::TokenStreamExt2 as _;
+use crate::ext::TokenStreamExt as _;
 use crate::thread::ThreadBound;
 use proc_macro2::{
     Delimiter, Group, Ident, LexError, Literal, Punct, Spacing, Span, TokenStream, TokenTree,

src/ext.rs

@@ -132,11 +132,11 @@ impl CustomToken for private::IdentAny {
 #[cfg(feature = "parsing")]
 impl lookahead::Sealed for private::PeekFn {}
 
-pub(crate) trait TokenStreamExt2 {
+pub(crate) trait TokenStreamExt {
     fn append(&mut self, token: TokenTree);
 }
 
-impl TokenStreamExt2 for TokenStream {
+impl TokenStreamExt for TokenStream {
     fn append(&mut self, token: TokenTree) {
         self.extend(iter::once(token));
     }

src/lit.rs

@@ -1,5 +1,5 @@
 #[cfg(feature = "parsing")]
-use crate::ext::TokenStreamExt2 as _;
+use crate::ext::TokenStreamExt as _;
 #[cfg(feature = "parsing")]
 use crate::lookahead;
 #[cfg(feature = "parsing")]

src/verbatim.rs

@@ -1,4 +1,4 @@
-use crate::ext::TokenStreamExt2 as _;
+use crate::ext::TokenStreamExt as _;
 use crate::parse::ParseStream;
 use proc_macro2::{Delimiter, TokenStream};
 use std::cmp::Ordering;