str_utils/eq_multiple.rs
1/// To extend types which implement `AsRef<[u8]>` to have a `eq_multiple` method.
2pub trait EqMultiple {
3 /// Returns `Some(usize)` if one of the given string slices case-sensitively matches this string slice.
4 fn eq_multiple<S: AsRef<[u8]>>(&self, bs: &[S]) -> Option<usize>;
5}
6
7impl<T: AsRef<[u8]>> EqMultiple for T {
8 #[inline]
9 fn eq_multiple<S: AsRef<[u8]>>(&self, bs: &[S]) -> Option<usize> {
10 let a = self.as_ref();
11
12 bs.iter().position(|b| a == b.as_ref())
13 }
14}