zerovec/
zerofrom_impls.rs

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1// This file is part of ICU4X. For terms of use, please see the file
2// called LICENSE at the top level of the ICU4X source tree
3// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
4
5use crate::map::ZeroMapKV;
6use crate::ule::*;
7use crate::vecs::{FlexZeroSlice, FlexZeroVec};
8use crate::{VarZeroSlice, VarZeroVec, ZeroMap, ZeroMap2d, ZeroSlice, ZeroVec};
9use zerofrom::ZeroFrom;
10
11impl<'zf, T> ZeroFrom<'zf, ZeroVec<'_, T>> for ZeroVec<'zf, T>
12where
13    T: 'static + AsULE + ?Sized,
14{
15    #[inline]
16    fn zero_from(other: &'zf ZeroVec<'_, T>) -> Self {
17        ZeroVec::new_borrowed(other.as_ule_slice())
18    }
19}
20
21impl<'zf, T> ZeroFrom<'zf, ZeroSlice<T>> for ZeroVec<'zf, T>
22where
23    T: 'static + AsULE + ?Sized,
24{
25    #[inline]
26    fn zero_from(other: &'zf ZeroSlice<T>) -> Self {
27        ZeroVec::new_borrowed(other.as_ule_slice())
28    }
29}
30
31impl<'zf, T> ZeroFrom<'zf, ZeroSlice<T>> for &'zf ZeroSlice<T>
32where
33    T: 'static + AsULE + ?Sized,
34{
35    #[inline]
36    fn zero_from(other: &'zf ZeroSlice<T>) -> Self {
37        other
38    }
39}
40
41impl<'zf> ZeroFrom<'zf, FlexZeroVec<'_>> for FlexZeroVec<'zf> {
42    #[inline]
43    fn zero_from(other: &'zf FlexZeroVec<'_>) -> Self {
44        FlexZeroVec::Borrowed(other)
45    }
46}
47
48impl<'zf> ZeroFrom<'zf, FlexZeroSlice> for FlexZeroVec<'zf> {
49    #[inline]
50    fn zero_from(other: &'zf FlexZeroSlice) -> Self {
51        FlexZeroVec::Borrowed(other)
52    }
53}
54
55impl<'zf> ZeroFrom<'zf, FlexZeroSlice> for &'zf FlexZeroSlice {
56    #[inline]
57    fn zero_from(other: &'zf FlexZeroSlice) -> Self {
58        other
59    }
60}
61
62impl<'zf, T> ZeroFrom<'zf, VarZeroSlice<T>> for VarZeroVec<'zf, T>
63where
64    T: 'static + VarULE + ?Sized,
65{
66    #[inline]
67    fn zero_from(other: &'zf VarZeroSlice<T>) -> Self {
68        other.into()
69    }
70}
71
72impl<'zf, T> ZeroFrom<'zf, VarZeroVec<'_, T>> for VarZeroVec<'zf, T>
73where
74    T: 'static + VarULE + ?Sized,
75{
76    #[inline]
77    fn zero_from(other: &'zf VarZeroVec<'_, T>) -> Self {
78        other.as_slice().into()
79    }
80}
81
82impl<'zf, T> ZeroFrom<'zf, VarZeroSlice<T>> for &'zf VarZeroSlice<T>
83where
84    T: 'static + VarULE + ?Sized,
85{
86    #[inline]
87    fn zero_from(other: &'zf VarZeroSlice<T>) -> Self {
88        other
89    }
90}
91
92impl<'zf, 's, K, V> ZeroFrom<'zf, ZeroMap<'s, K, V>> for ZeroMap<'zf, K, V>
93where
94    K: 'static + for<'b> ZeroMapKV<'b> + ?Sized,
95    V: 'static + for<'b> ZeroMapKV<'b> + ?Sized,
96    <K as ZeroMapKV<'zf>>::Container: ZeroFrom<'zf, <K as ZeroMapKV<'s>>::Container>,
97    <V as ZeroMapKV<'zf>>::Container: ZeroFrom<'zf, <V as ZeroMapKV<'s>>::Container>,
98{
99    fn zero_from(other: &'zf ZeroMap<'s, K, V>) -> Self {
100        ZeroMap {
101            keys: K::Container::zero_from(&other.keys),
102            values: V::Container::zero_from(&other.values),
103        }
104    }
105}
106
107impl<'zf, 's, K0, K1, V> ZeroFrom<'zf, ZeroMap2d<'s, K0, K1, V>> for ZeroMap2d<'zf, K0, K1, V>
108where
109    K0: 'static + for<'b> ZeroMapKV<'b> + ?Sized,
110    K1: 'static + for<'b> ZeroMapKV<'b> + ?Sized,
111    V: 'static + for<'b> ZeroMapKV<'b> + ?Sized,
112    <K0 as ZeroMapKV<'zf>>::Container: ZeroFrom<'zf, <K0 as ZeroMapKV<'s>>::Container>,
113    <K1 as ZeroMapKV<'zf>>::Container: ZeroFrom<'zf, <K1 as ZeroMapKV<'s>>::Container>,
114    <V as ZeroMapKV<'zf>>::Container: ZeroFrom<'zf, <V as ZeroMapKV<'s>>::Container>,
115{
116    fn zero_from(other: &'zf ZeroMap2d<'s, K0, K1, V>) -> Self {
117        ZeroMap2d {
118            keys0: K0::Container::zero_from(&other.keys0),
119            joiner: ZeroVec::zero_from(&other.joiner),
120            keys1: K1::Container::zero_from(&other.keys1),
121            values: V::Container::zero_from(&other.values),
122        }
123    }
124}
zerovec/zerofrom_impls.rs

zerovec/
zerofrom_impls.rs
