orx_concurrent_vec/concurrent_slice/
partial_eq.rs

1use super::ConcurrentSlice;
2use crate::elem::ConcurrentElement;
3use orx_fixed_vec::IntoConcurrentPinnedVec;
4
5impl<T, P> ConcurrentSlice<'_, T, P>
6where
7    P: IntoConcurrentPinnedVec<ConcurrentElement<T>>,
8    T: PartialEq,
9{
10    /// Returns the index of the first element equal to the given `value`.
11    /// Returns None if the value is absent.
12    ///
13    /// # Examples
14    ///
15    /// ```
16    /// use orx_concurrent_vec::*;
17    ///
18    /// let vec = ConcurrentVec::new();
19    /// vec.extend(['a', 'b', 'c', 'd', 'e']);
20    ///
21    /// let slice = vec.slice(0..3);
22    ///
23    /// assert_eq!(slice.index_of(&'c'), Some(2));
24    /// assert_eq!(slice.index_of(&'d'), None);
25    /// ```
26    pub fn index_of(&self, value: &T) -> Option<usize> {
27        self.iter().position(|e| e == value)
28    }
29
30    /// Returns whether an element equal to the given `value` exists or not.
31    ///
32    /// # Examples
33    ///
34    /// ```
35    /// use orx_concurrent_vec::*;
36    ///
37    /// let vec = ConcurrentVec::new();
38    /// vec.extend(['a', 'b', 'c', 'd', 'e']);
39    ///
40    /// let slice = vec.slice(0..3);
41    ///
42    /// assert_eq!(slice.contains(&'c'), true);
43    /// assert_eq!(slice.contains(&'d'), false);
44    /// ```
45    pub fn contains(&self, value: &T) -> bool {
46        self.index_of(value).is_some()
47    }
48}
orx_concurrent_vec/concurrent_slice/partial_eq.rs

orx_concurrent_vec/concurrent_slice/
partial_eq.rs
