6815798908

Committed 09 Nov 2023 05:17PM UTC coverage: 72.607% (-2.4%) from 75.01%

Build # 6815798908

Build Type

push

github

Committed by

web-flow

Commit Message

Implement `Any/BufferProvider` for some smart pointers (#4255)

Allows storing them as a `Box<dyn Any/BufferProvider>` without using a
wrapper type that implements the trait.

Run Details

44281 of 60987 relevant lines covered (72.61%)

201375.86 hits per line

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0.0

/utils/zerofrom/src/macro_impls.rs

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
5	// In this case consistency between impls is more important
6	// than using pointer casts
7	#![allow(clippy::transmute_ptr_to_ptr)]
8
9	use crate::ZeroFrom;
10
11	macro_rules! impl_copy_type {
12	($ty:ident) => {
13	impl<'a> ZeroFrom<'a, $ty> for $ty {
14	#[inline]
15	fn zero_from(this: &'a Self) -> Self {	×
16	// Essentially only works when the struct is fully Copy
17	*this	×
18	}	×
19	}
20	};
21	}
22
23	impl_copy_type!(u8);
24	impl_copy_type!(u16);
25	impl_copy_type!(u32);
26	impl_copy_type!(u64);
27	impl_copy_type!(u128);
28	impl_copy_type!(usize);
29	impl_copy_type!(i8);
30	impl_copy_type!(i16);
31	impl_copy_type!(i32);
32	impl_copy_type!(i64);
33	impl_copy_type!(i128);
34	impl_copy_type!(isize);
35	impl_copy_type!(char);
36	impl_copy_type!(bool);
37
38	// This can be cleaned up once `[T; N]`::each_ref() is stabilized
39	// https://github.com/rust-lang/rust/issues/76118
40	macro_rules! array_zf_impl {
41	($n:expr; $($i:expr),+) => {
42	impl<'a, C, T: ZeroFrom<'a, C>> ZeroFrom<'a, [C; $n]> for [T; $n] {
43	fn zero_from(this: &'a [C; $n]) -> Self {	×
44	[	×
45	$(
46	<T as ZeroFrom<C>>::zero_from(&this[$i])	×
47	),+
48
49	]	×
50	}	×
51	}
52	}
53	}
54
55	array_zf_impl!(1; 0);
56	array_zf_impl!(2; 0, 1);
57	array_zf_impl!(3; 0, 1, 2);
58	array_zf_impl!(4; 0, 1, 2, 3);
59	array_zf_impl!(5; 0, 1, 2, 3, 4);
60	array_zf_impl!(6; 0, 1, 2, 3, 4, 5);
61	array_zf_impl!(7; 0, 1, 2, 3, 4, 5, 6);
62	array_zf_impl!(8; 0, 1, 2, 3, 4, 5, 6, 7);
63	array_zf_impl!(9; 0, 1, 2, 3, 4, 5, 6, 7, 8);
64	array_zf_impl!(10; 0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
65	array_zf_impl!(11; 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
66	array_zf_impl!(12; 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11);
67	array_zf_impl!(13; 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12);
68	array_zf_impl!(14; 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13);
69	array_zf_impl!(15; 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14);
70	array_zf_impl!(16; 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
71
72	macro_rules! tuple_zf_impl {
73	($(($c:ident, $t:ident, $i:tt)),+) => {
74	impl<'zf, $($c, $t: ZeroFrom<'zf, $c>),+> ZeroFrom<'zf, ($($c),+)>
75	for ($($t),+)
76	{
77	fn zero_from(other: &'zf ($($c),+)) -> Self {	×
78	(	×
79	$(<$t as ZeroFrom<$c>>::zero_from(&other.$i)),+	×
80	)	×
81	}	×
82	}
83	};
84	}
85
86	tuple_zf_impl!((C1, T1, 0), (C2, T2, 1));
87	tuple_zf_impl!((C1, T1, 0), (C2, T2, 1), (C3, T3, 2));
88	tuple_zf_impl!((C1, T1, 0), (C2, T2, 1), (C3, T3, 2), (C4, T4, 3));
89	tuple_zf_impl!(
90	(C1, T1, 0),
91	(C2, T2, 1),
92	(C3, T3, 2),
93	(C4, T4, 3),
94	(C5, T5, 4)
95	);
96	tuple_zf_impl!(
97	(C1, T1, 0),
98	(C2, T2, 1),
99	(C3, T3, 2),
100	(C4, T4, 3),
101	(C5, T5, 4),
102	(C6, T6, 5)
103	);
104	tuple_zf_impl!(
105	(C1, T1, 0),
106	(C2, T2, 1),
107	(C3, T3, 2),
108	(C4, T4, 3),
109	(C5, T5, 4),
110	(C6, T6, 5),
111	(C7, T7, 6)
112	);
113	tuple_zf_impl!(
114	(C1, T1, 0),
115	(C2, T2, 1),
116	(C3, T3, 2),
117	(C4, T4, 3),
118	(C5, T5, 4),
119	(C6, T6, 5),
120	(C7, T7, 6),
121	(C8, T8, 7)
122	);
123	tuple_zf_impl!(
124	(C1, T1, 0),
125	(C2, T2, 1),
126	(C3, T3, 2),
127	(C4, T4, 3),
128	(C5, T5, 4),
129	(C6, T6, 5),
130	(C7, T7, 6),
131	(C8, T8, 7),
132	(C9, T9, 8)
133	);
134	tuple_zf_impl!(
135	(C1, T1, 0),
136	(C2, T2, 1),
137	(C3, T3, 2),
138	(C4, T4, 3),
139	(C5, T5, 4),
140	(C6, T6, 5),
141	(C7, T7, 6),
142	(C8, T8, 7),
143	(C9, T9, 8),
144	(C10, T10, 9)
145	);

zbraniecki / icu4x / 6815798908

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