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Use expect (#9883)

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zhangyaning 2018-11-09 19:54:23 +08:00 committed by Andronik Ordian
parent 17effd15ab
commit d42d816e7f
1 changed files with 1 additions and 5 deletions
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6
ethcore/evm/src/interpreter/stack.rs
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@ -66,11 +66,7 @@ impl<S : fmt::Display> Stack<S> for VecStack<S> {
} }
fn pop_back(&mut self) -> S { fn pop_back(&mut self) -> S {
let val = self.stack.pop(); self.stack.pop().expect("instruction validation prevents from popping too many items; qed")
match val {
Some(x) => x,
None => panic!("Tried to pop from empty stack.")
}
} }
fn pop_n(&mut self, no_of_elems: usize) -> &[S] { fn pop_n(&mut self, no_of_elems: usize) -> &[S] {