Update example code to 2018 edition
diff --git a/src/expr.rs b/src/expr.rs
index 62c4832..d07070f 100644
--- a/src/expr.rs
+++ b/src/expr.rs
@@ -2292,10 +2292,7 @@
/// # Example
///
/// ```
- /// #[macro_use]
- /// extern crate syn;
- ///
- /// use syn::{token, Attribute, Block, Ident, Result, Stmt};
+ /// use syn::{braced, token, Attribute, Block, Ident, Result, Stmt, Token};
/// use syn::parse::{Parse, ParseStream};
///
/// // Parse a function with no generics or parameter list.
@@ -2337,8 +2334,6 @@
/// })
/// }
/// }
- /// #
- /// # fn main() {}
/// ```
pub fn parse_within(input: ParseStream) -> Result<Vec<Stmt>> {
let mut stmts = Vec::new();