orx_split_vec/growth/linear/
from.rs

1use super::constants::FIXED_CAPACITIES;
2use crate::{Linear, SplitVec};
3use alloc::vec::Vec;
4
5// into SplitVec
6impl<T> From<Vec<T>> for SplitVec<T, Linear> {
7    /// Converts a `Vec` into a `SplitVec` by
8    /// moving the vector into the split vector as the first fragment,
9    /// without copying the data.
10    ///
11    /// # Examples
12    ///
13    /// ```
14    /// use orx_split_vec::*;
15    ///
16    /// let vec = vec!['a', 'b', 'c'];
17    /// let vec_capacity = vec.capacity();
18    ///
19    /// let split_vec: SplitVec<_, Linear> = vec.into();
20    ///
21    /// assert_eq!(split_vec, &['a', 'b', 'c']);
22    /// assert_eq!(1, split_vec.fragments().len());
23    /// assert!(vec_capacity <= split_vec.capacity());
24    /// ```
25    fn from(value: Vec<T>) -> Self {
26        let len = value.len();
27        let f = FIXED_CAPACITIES
28            .iter()
29            .enumerate()
30            .find(|(_, fixed_cap)| **fixed_cap > len)
31            .map(|(f, _)| f)
32            .expect("overflow");
33        let growth = Linear::new(f);
34        let fragments = alloc::vec![value.into()];
35        Self::from_raw_parts(len, fragments, growth)
36    }
37}
orx_split_vec/growth/linear/from.rs

orx_split_vec/growth/linear/
from.rs
