Read 1~2 punctuation converting to one operator token. if one punctuation is read and it is overloadable, but the next punct is not a compatible punctuation with the previous punctuation , then remove the punctuation and reallocate to another operator token.
Read 1~2 punctuation converting to one operator token. if one punctuation is read and it is overloadable, but the next punct is not a compatible punctuation with the previous punctuation , then remove the punctuation and reallocate to another operator token.
Example