try_reserve 0.2.1

Stable implementation of the TryReserveError from std for custom collections
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61

#![cfg(feature = "std")]

//! # Impls
//!
//! All implementation for all std types that use `try_reserve()`

use crate::{error::TryReserveError, TryReserve};

impl<T> TryReserve for Vec<T> {
    fn try_reserve(&mut self, additional: usize) -> Result<(), crate::error::TryReserveError> {
        Vec::try_reserve(self, additional).map_err(TryReserveError::from)
    }
}

impl<T> TryReserve for std::collections::HashSet<T>
where
    T: std::hash::Hash + std::cmp::Eq,
{
    fn try_reserve(&mut self, additional: usize) -> Result<(), crate::error::TryReserveError> {
        std::collections::HashSet::try_reserve(self, additional).map_err(TryReserveError::from)
    }
}

impl TryReserve for std::ffi::OsString {
    fn try_reserve(&mut self, additional: usize) -> Result<(), crate::error::TryReserveError> {
        std::ffi::OsString::try_reserve(self, additional).map_err(TryReserveError::from)
    }
}

impl TryReserve for std::path::PathBuf {
    fn try_reserve(&mut self, additional: usize) -> Result<(), crate::error::TryReserveError> {
        std::path::PathBuf::try_reserve(self, additional).map_err(TryReserveError::from)
    }
}

impl TryReserve for std::string::String {
    fn try_reserve(&mut self, additional: usize) -> Result<(), crate::error::TryReserveError> {
        std::string::String::try_reserve(self, additional).map_err(TryReserveError::from)
    }
}

impl<T> TryReserve for std::collections::VecDeque<T> {
    fn try_reserve(&mut self, additional: usize) -> Result<(), crate::error::TryReserveError> {
        std::collections::VecDeque::try_reserve(self, additional).map_err(TryReserveError::from)
    }
}

impl<T> TryReserve for std::collections::BinaryHeap<T> {
    fn try_reserve(&mut self, additional: usize) -> Result<(), crate::error::TryReserveError> {
        std::collections::BinaryHeap::try_reserve(self, additional).map_err(TryReserveError::from)
    }
}

impl<T, F> TryReserve for std::collections::HashMap<T, F>
where
    T: std::hash::Hash + std::cmp::Eq,
{
    fn try_reserve(&mut self, additional: usize) -> Result<(), crate::error::TryReserveError> {
        std::collections::HashMap::try_reserve(self, additional).map_err(TryReserveError::from)
    }
}