impl DoubleEndedIterator for TokenIter #33
Description
In some case, I want to search token in reverse to find the last match token, but TokenIter impl Iteractor trait only, so sm.tokens().rev() will not compile.
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In some case, I want to search token in reverse to find the last match token, but TokenIter impl Iteractor trait only, so sm.tokens().rev() will not compile.