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simplify parens counting

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This commit is contained in:
Simon Gardling 2022-03-29 08:53:16 -04:00
parent d8adbdffb3
commit 309b53cf4b
1 changed files with 8 additions and 3 deletions
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11
src/parsing.rs
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@ -211,10 +211,15 @@ pub fn generate_hint(input: &str) -> String {
let chars: Vec<char> = input.chars().collect(); let chars: Vec<char> = input.chars().collect();
let open_parens = chars.iter().filter(|c| **c == '(').count(); let mut open_parens: usize = 0;
let closed_parents = chars.iter().filter(|c| **c == ')').count(); let mut closed_parens: usize = 0;
chars.iter().for_each(|chr| match *chr {
'(' => open_parens += 1,
')' => closed_parens += 1,
_ => {}
});
if open_parens > closed_parents { if open_parens > closed_parens {
return ")".to_owned(); return ")".to_owned();
} }