12 2022 档案
摘要:题目在这里 pub fn prefix_matches(prefix: &str, request_path: &str) -> bool { //split by slash and change element into Option and add None at the end. let m
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摘要:什么是Luhn算法? pub fn luhn(cc_number: &str) -> bool { //scan number from right to left, the digit *2 which in every second position if cc_number.is_empty(
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