Commit 7eb2bff

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Original file line number	Diff line number	Diff line change
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	`1`	`+struct Solution ();`
	`2`	`+impl Solution {`
	`3`	`+ pub fn reverse_string(s: &mut Vec<char>) {`
	`4`	`+`
	`5`	`+ let mut l = 0;`
	`6`	`+ let mut r = s.len() - 1;`
	`7`	`+ let mut tmp = '0';`
	`8`	`+`
	`9`	`+ while l < r {`
	`10`	`+ tmp = s[l];`
	`11`	`+ s[l] = s[r];`
	`12`	`+ s[r] = tmp;`
	`13`	`+`
	`14`	`+ l += 1;`
	`15`	`+ r -= 1;`
	`16`	`+ }`
	`17`	`+`
	`18`	`+ }`
	`19`	`+}`
	`20`	`+`
	`21`	`+#[cfg(test)]`
	`22`	`+mod tests {`
	`23`	`+ use super::*;`
	`24`	`+`
	`25`	`+ #[test] fn test_1() {`
	`26`	`+ let mut v = vec!['h','e','l','l','o'];`
	`27`	`+ Solution::reverse_string(& mut v );`
	`28`	`+ assert_eq!(v, vec!['o','l','l','e','h'])`
	`29`	`+ }`
	`30`	`+`
	`31`	`+`
	`32`	`+}`

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