56 lines
1.4 KiB
Rust
56 lines
1.4 KiB
Rust
// ----------------------------------------------------------------
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// IMPORTS
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// ----------------------------------------------------------------
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extern crate regex;
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use self::regex::Regex;
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// ----------------------------------------------------------------
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// METHODS get regex
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// ----------------------------------------------------------------
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/// Constructs RegEx and panics if error.
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#[allow(dead_code)]
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pub fn construct_regex(pattern: &str) -> Regex {
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return Regex::new(pattern)
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.expect("Invalid regex construction!");
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}
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// ----------------------------------------------------------------
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// METHODS values
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// ----------------------------------------------------------------
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pub fn min<T>(x: T, y: T) -> T
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where T: PartialOrd
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{
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return if y < x { y } else { x };
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}
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// ----------------------------------------------------------------
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// METHODS Vectors
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// ----------------------------------------------------------------
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pub fn restrict<T>(x: &mut Vec<T>, i: usize, j: usize) -> Vec<T>
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where T: Clone
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{
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return x[i..j].iter()
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.cloned()
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.collect::<Vec<T>>();
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}
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pub fn remove_last<T>(x: &mut Vec<T>) -> Vec<T>
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where T: Clone
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{
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let n = x.len();
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return restrict::<T>(x, 0, n-1);
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}
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#[allow(dead_code)]
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pub fn remove_first<T>(x: &mut Vec<T>) -> Vec<T>
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where T: Clone
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{
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let n = x.len();
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return restrict::<T>(x, 0, n);
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}
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