Change data structure from Vec to VecDeque
#337
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GreasySlug
commented
Jan 5, 2023
| @@ -12,6 +14,128 @@ use crate::consts::{BUILD_DATE, GIT_HASH_SHORT, SEMVER}; | |||
| use crate::error::{ErrorDisplay, ErrorKind, Location, MultiErrorDisplay}; | |||
| use crate::{addr_eq, chomp, log, switch_unreachable}; | |||
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| pub trait DequeStream<T>: Sized { | |||
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I've chosen this name for now, but if something else is better, I'd appreciate suggestions.
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Fixes #292 .
StreamusesVec, but, using insert(0), remove(0) in this case, it takes O(n) for this process alone every timeIn such cases, it is better to use
VecDeque, so as forTokenStream, use theStreamimplemented byVecDequeChanges proposed in this PR:
@mtshiba