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Simplify counting remaining elements

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This commit is contained in:
David Tolnay
2018-04-17 00:10:17 -07:00
parent e1db820c9f
commit 6050229e7e
1 changed files with 4 additions and 10 deletions
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serde/src/de/value.rs
+4 -10
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@@ -652,11 +652,8 @@ where
{ {
/// Check for remaining elements after passing a `SeqDeserializer` to /// Check for remaining elements after passing a `SeqDeserializer` to
/// `Visitor::visit_seq`. /// `Visitor::visit_seq`.
pub fn end(mut self) -> Result<(), E> { pub fn end(self) -> Result<(), E> {
let mut remaining = 0; let remaining = self.iter.count();
while self.iter.next().is_some() {
remaining += 1;
}
if remaining == 0 { if remaining == 0 {
Ok(()) Ok(())
} else { } else {
@@ -849,11 +846,8 @@ where
{ {
/// Check for remaining elements after passing a `MapDeserializer` to /// Check for remaining elements after passing a `MapDeserializer` to
/// `Visitor::visit_map`. /// `Visitor::visit_map`.
pub fn end(mut self) -> Result<(), E> { pub fn end(self) -> Result<(), E> {
let mut remaining = 0; let remaining = self.iter.count();
while self.iter.next().is_some() {
remaining += 1;
}
if remaining == 0 { if remaining == 0 {
Ok(()) Ok(())
} else { } else {