Use while let (RustCrypto#10)

Loop is more readable as a 'while let'.
Qwaz · Oct 3, 2018 · c68c528 · c68c528
1 parent e4d0563
commit c68c528
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/hex-literal/hex-literal-impl/src/lib.rs b/hex-literal/hex-literal-impl/src/lib.rs
@@ -37,8 +37,7 @@ proc_macro_expr_impl! {
 
         s.push('[');
         let mut iter = input.chars().filter(is_hex_char);
-        loop {
-            let c1 = match iter.next() { Some(c) => c, None => break };
+        while let Some(c1) = iter.next() {
             if let Some(c2) = iter.next() {
                 s += "0x";
                 s.push(c1);