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feat(interface-types) Simplify FlattenInterfaceValueIterator with last_mut.

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This commit is contained in:
Ivan Enderlin 2020-04-03 16:22:26 +02:00
parent d184ddbe37
commit b9b5a32154
1 changed files with 1 additions and 7 deletions
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8
src/interpreter/wasm/values.rs
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@ -156,13 +156,7 @@ impl<'a> Iterator for FlattenInterfaceValueIterator<'a> {
type Item = &'a InterfaceValue;
fn next(&mut self) -> Option<Self::Item> {
if self.iterators.is_empty() {
return None;
}
let index = self.iterators.len() - 1;
match self.iterators[index].next() {
match self.iterators.last_mut()?.next() {
// End of the current iterator, go back to the previous
// one.
None => {