expand: refactor/polish ~ simplify if condition
@@ -88,12 +88,7 @@ impl<'a> Iterator for ExpandSet<'a> {
if let Some(first) = self.unesc.next() {
// peek ahead
- if self.unesc.peek() == Some(&'-')
- && match self.unesc.size_hint() {
- (x, _) if x > 1 => true, // there's a range here; record it in our internal Range struct
- _ => false,
- }
- {
+ if self.unesc.peek() == Some(&'-') && self.unesc.size_hint().0 > 1 {
self.unesc.next(); // this is the '-'
let last = self.unesc.next().unwrap(); // this is the end of the range
