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make durability helper panic on an undefined key

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Niko Matsakis 2019-07-05 06:06:29 -04:00
parent d4f7e4b2b4
commit 485df37e6f
1 changed files with 4 additions and 3 deletions
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7
src/input.rs
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@ -93,9 +93,10 @@ where
} }
fn durability(&self, _db: &DB, key: &Q::Key) -> Durability { fn durability(&self, _db: &DB, key: &Q::Key) -> Durability {
self.slot(key) match self.slot(key) {
.map(|slot| slot.stamped_value.read().durability) Some(slot) => slot.stamped_value.read().durability,
.unwrap_or(Durability::LOW) None => panic!("no value set for {:?}({:?})", Q::default(), key),
}
} }
fn entries<C>(&self, _db: &DB) -> C fn entries<C>(&self, _db: &DB) -> C