fix: optimise with constant time fn

Signed-off-by: bwty <[email protected]>
interledger · Apr 16, 2021 · 1a73b85 · 1a73b85
1 parent ea2132e
commit 1a73b85
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/crates/interledger-packet/src/packet.rs b/crates/interledger-packet/src/packet.rs
@@ -138,7 +138,11 @@ impl TryFrom<BytesMut> for Prepare {
         let mut expires_at = [0x00; 17];
         content.read_exact(&mut expires_at)?;
 
-        if !expires_at.iter().all(|e| (b'0'..=b'9').contains(e)) {
+        if !expires_at
+            .iter()
+            .map(|e| (b'0'..=b'9').contains(e))
+            .fold(true, |a, b| a & b)
+        {
             return Err(ParseError::InvalidPacket("DateTime must be numeric".into()));
         }