/rust/registry/src/index.crates.io-6f17d22bba15001f/equator-0.4.2/src/lib.rs
Line | Count | Source (jump to first uncovered line) |
1 | | #![no_std] |
2 | | |
3 | | use core::fmt; |
4 | | |
5 | | #[doc(hidden)] |
6 | | pub use equator_macro as imp; |
7 | | |
8 | | #[macro_export] |
9 | | macro_rules! assert { |
10 | | ($($tokens: tt)*) => { |
11 | | $crate::imp::assert!($crate, $($tokens)*) |
12 | | }; |
13 | | } |
14 | | |
15 | | #[macro_export] |
16 | | macro_rules! debug_assert { |
17 | | ($($tokens: tt)*) => { |
18 | | if cfg!(debug_assertions) { |
19 | | $crate::imp::assert!($crate, $($tokens)*) |
20 | | } |
21 | | }; |
22 | | } |
23 | | |
24 | | #[doc(hidden)] |
25 | | pub mod decompose; |
26 | | #[doc(hidden)] |
27 | | pub mod spec; |
28 | | #[doc(hidden)] |
29 | | pub mod structures; |
30 | | #[doc(hidden)] |
31 | | pub mod traits; |
32 | | |
33 | | #[doc(hidden)] |
34 | | pub mod expr { |
35 | | #[derive(Copy, Clone, Debug)] |
36 | | #[repr(C)] |
37 | | pub struct CmpExpr<Cmp, Lhs, Rhs> { |
38 | | pub cmp: Cmp, |
39 | | pub lhs: Lhs, |
40 | | pub rhs: Rhs, |
41 | | } |
42 | | |
43 | | #[derive(Copy, Clone, Debug)] |
44 | | #[repr(C)] |
45 | | pub struct CustomCmpExpr<Cmp, Lhs, Rhs> { |
46 | | pub cmp: Cmp, |
47 | | pub lhs: Lhs, |
48 | | pub rhs: Rhs, |
49 | | } |
50 | | |
51 | | #[derive(Copy, Clone, Debug)] |
52 | | pub struct AndExpr<Lhs, Rhs> { |
53 | | pub lhs: Lhs, |
54 | | pub rhs: Rhs, |
55 | | } |
56 | | |
57 | | #[derive(Copy, Clone, Debug)] |
58 | | pub struct OrExpr<Lhs, Rhs> { |
59 | | pub lhs: Lhs, |
60 | | pub rhs: Rhs, |
61 | | } |
62 | | } |
63 | | |
64 | | pub trait CmpError<C, Lhs: ?Sized, Rhs: ?Sized>: Sized { |
65 | | type Error; |
66 | | } |
67 | | |
68 | | pub trait CmpDisplay<C, Lhs: ?Sized, Rhs: ?Sized> { |
69 | | fn fmt( |
70 | | &self, |
71 | | cmp: &C, |
72 | | lhs: &Lhs, |
73 | | lhs_source: &str, |
74 | | lhs_debug: &dyn fmt::Debug, |
75 | | rhs: &Rhs, |
76 | | rhs_source: &str, |
77 | | rhs_debug: &dyn fmt::Debug, |
78 | | f: &mut fmt::Formatter, |
79 | | ) -> fmt::Result; |
80 | | } |
81 | | |
82 | | pub trait Cmp<Lhs: ?Sized, Rhs: ?Sized>: CmpError<Self, Lhs, Rhs> { |
83 | | fn test(&self, lhs: &Lhs, rhs: &Rhs) -> Result<(), Self::Error>; |
84 | | } |
85 | | |
86 | | #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)] |
87 | | pub struct Eq; |
88 | | #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)] |
89 | | pub struct Ne; |
90 | | #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)] |
91 | | pub struct Le; |
92 | | #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)] |
93 | | pub struct Ge; |
94 | | #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)] |
95 | | pub struct Lt; |
96 | | #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)] |
97 | | pub struct Gt; |
98 | | |
99 | | #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)] |
100 | | pub struct EqError; |
101 | | #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)] |
102 | | pub struct NeError; |
103 | | #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)] |
104 | | pub struct LeError; |
105 | | #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)] |
106 | | pub struct GeError; |
107 | | #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)] |
108 | | pub struct LtError; |
109 | | #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)] |
110 | | pub struct GtError; |
111 | | |
112 | 0 | fn display_cmp_impl( |
113 | 0 | cmp: &str, |
114 | 0 | lhs: &dyn fmt::Debug, |
115 | 0 | lhs_source: &str, |
116 | 0 | rhs: &dyn fmt::Debug, |
117 | 0 | rhs_source: &str, |
118 | 0 | f: &mut fmt::Formatter, |
119 | 0 | ) -> fmt::Result { |
120 | 0 | write!(f, "Assertion failed: {lhs_source} {cmp} {rhs_source}\n")?; |
121 | 0 | write!(f, "- {lhs_source} = {lhs:#?}\n")?; |
122 | 0 | write!(f, "- {rhs_source} = {rhs:#?}") |
123 | 0 | } |
124 | | |
125 | | impl<Lhs: ?Sized, Rhs: ?Sized> CmpError<Eq, Lhs, Rhs> for Eq { |
126 | | type Error = EqError; |
127 | | } |
128 | | impl<Lhs: ?Sized, Rhs: ?Sized> CmpDisplay<Eq, Lhs, Rhs> for EqError { |
129 | 0 | fn fmt( |
130 | 0 | &self, |
131 | 0 | cmp: &Eq, |
132 | 0 | lhs: &Lhs, |
133 | 0 | lhs_source: &str, |
134 | 0 | lhs_debug: &dyn fmt::Debug, |
135 | 0 | rhs: &Rhs, |
136 | 0 | rhs_source: &str, |
137 | 0 | rhs_debug: &dyn fmt::Debug, |
138 | 0 | f: &mut fmt::Formatter, |
139 | 0 | ) -> fmt::Result { |
140 | 0 | _ = (lhs, rhs, cmp); |
141 | 0 | display_cmp_impl("==", lhs_debug, lhs_source, rhs_debug, rhs_source, f) |
142 | 0 | } |
143 | | } |
144 | | |
145 | | impl<Lhs: ?Sized, Rhs: ?Sized> CmpError<Ne, Lhs, Rhs> for Ne { |
146 | | type Error = NeError; |
147 | | } |
148 | | impl<Lhs: ?Sized, Rhs: ?Sized> CmpDisplay<Ne, Lhs, Rhs> for NeError { |
149 | 0 | fn fmt( |
150 | 0 | &self, |
151 | 0 | cmp: &Ne, |
152 | 0 | lhs: &Lhs, |
153 | 0 | lhs_source: &str, |
154 | 0 | lhs_debug: &dyn fmt::Debug, |
155 | 0 | rhs: &Rhs, |
156 | 0 | rhs_source: &str, |
157 | 0 | rhs_debug: &dyn fmt::Debug, |
158 | 0 | f: &mut fmt::Formatter, |
159 | 0 | ) -> fmt::Result { |
160 | 0 | _ = (lhs, rhs, cmp); |
161 | 0 | display_cmp_impl("!=", lhs_debug, lhs_source, rhs_debug, rhs_source, f) |
162 | 0 | } |
163 | | } |
164 | | |
165 | | impl<Lhs: ?Sized, Rhs: ?Sized> CmpError<Lt, Lhs, Rhs> for Lt { |
166 | | type Error = LtError; |
167 | | } |
168 | | impl<Lhs: ?Sized, Rhs: ?Sized> CmpDisplay<Lt, Lhs, Rhs> for LtError { |
169 | 0 | fn fmt( |
170 | 0 | &self, |
171 | 0 | cmp: &Lt, |
172 | 0 | lhs: &Lhs, |
173 | 0 | lhs_source: &str, |
174 | 0 | lhs_debug: &dyn fmt::Debug, |
175 | 0 | rhs: &Rhs, |
176 | 0 | rhs_source: &str, |
177 | 0 | rhs_debug: &dyn fmt::Debug, |
178 | 0 | f: &mut fmt::Formatter, |
179 | 0 | ) -> fmt::Result { |
180 | 0 | _ = (lhs, rhs, cmp); |
181 | 0 | display_cmp_impl("<", lhs_debug, lhs_source, rhs_debug, rhs_source, f) |
182 | 0 | } |
183 | | } |
184 | | |
185 | | impl<Lhs: ?Sized, Rhs: ?Sized> CmpError<Gt, Lhs, Rhs> for Gt { |
186 | | type Error = GtError; |
187 | | } |
188 | | impl<Lhs: ?Sized, Rhs: ?Sized> CmpDisplay<Gt, Lhs, Rhs> for GtError { |
189 | 0 | fn fmt( |
190 | 0 | &self, |
191 | 0 | cmp: &Gt, |
192 | 0 | lhs: &Lhs, |
193 | 0 | lhs_source: &str, |
194 | 0 | lhs_debug: &dyn fmt::Debug, |
195 | 0 | rhs: &Rhs, |
196 | 0 | rhs_source: &str, |
197 | 0 | rhs_debug: &dyn fmt::Debug, |
198 | 0 | f: &mut fmt::Formatter, |
199 | 0 | ) -> fmt::Result { |
200 | 0 | _ = (lhs, rhs, cmp); |
201 | 0 | display_cmp_impl(">", lhs_debug, lhs_source, rhs_debug, rhs_source, f) |
202 | 0 | } |
203 | | } |
204 | | |
205 | | impl<Lhs: ?Sized, Rhs: ?Sized> CmpError<Le, Lhs, Rhs> for Le { |
206 | | type Error = LeError; |
207 | | } |
208 | | impl<Lhs: ?Sized, Rhs: ?Sized> CmpDisplay<Le, Lhs, Rhs> for LeError { |
209 | 0 | fn fmt( |
210 | 0 | &self, |
211 | 0 | cmp: &Le, |
212 | 0 | lhs: &Lhs, |
213 | 0 | lhs_source: &str, |
214 | 0 | lhs_debug: &dyn fmt::Debug, |
215 | 0 | rhs: &Rhs, |
216 | 0 | rhs_source: &str, |
217 | 0 | rhs_debug: &dyn fmt::Debug, |
218 | 0 | f: &mut fmt::Formatter, |
219 | 0 | ) -> fmt::Result { |
220 | 0 | _ = (lhs, rhs, cmp); |
221 | 0 | display_cmp_impl("<=", lhs_debug, lhs_source, rhs_debug, rhs_source, f) |
222 | 0 | } Unexecuted instantiation: <equator::LeError as equator::CmpDisplay<equator::Le, dyn core::fmt::Debug, dyn core::fmt::Debug>>::fmt Unexecuted instantiation: <equator::LeError as equator::CmpDisplay<equator::Le, _, _>>::fmt |
223 | | } |
224 | | |
225 | | impl<Lhs: ?Sized, Rhs: ?Sized> CmpError<Ge, Lhs, Rhs> for Ge { |
226 | | type Error = GeError; |
227 | | } |
228 | | impl<Lhs: ?Sized, Rhs: ?Sized> CmpDisplay<Ge, Lhs, Rhs> for GeError { |
229 | 0 | fn fmt( |
230 | 0 | &self, |
231 | 0 | cmp: &Ge, |
232 | 0 | lhs: &Lhs, |
233 | 0 | lhs_source: &str, |
234 | 0 | lhs_debug: &dyn fmt::Debug, |
235 | 0 | rhs: &Rhs, |
236 | 0 | rhs_source: &str, |
237 | 0 | rhs_debug: &dyn fmt::Debug, |
238 | 0 | f: &mut fmt::Formatter, |
239 | 0 | ) -> fmt::Result { |
240 | 0 | _ = (lhs, rhs, cmp); |
241 | 0 | display_cmp_impl(">=", lhs_debug, lhs_source, rhs_debug, rhs_source, f) |
242 | 0 | } |
243 | | } |
244 | | |
245 | | impl<Rhs: ?Sized, Lhs: ?Sized + PartialEq<Rhs>> Cmp<Lhs, Rhs> for Eq { |
246 | | #[inline(always)] |
247 | 0 | fn test(&self, lhs: &Lhs, rhs: &Rhs) -> Result<(), EqError> { |
248 | 0 | if *lhs == *rhs { |
249 | 0 | Ok(()) |
250 | | } else { |
251 | 0 | Err(EqError) |
252 | | } |
253 | 0 | } |
254 | | } |
255 | | impl<Rhs: ?Sized, Lhs: ?Sized + PartialEq<Rhs>> Cmp<Lhs, Rhs> for Ne { |
256 | | #[inline(always)] |
257 | 0 | fn test(&self, lhs: &Lhs, rhs: &Rhs) -> Result<(), NeError> { |
258 | 0 | if *lhs != *rhs { |
259 | 0 | Ok(()) |
260 | | } else { |
261 | 0 | Err(NeError) |
262 | | } |
263 | 0 | } |
264 | | } |
265 | | impl<Rhs: ?Sized, Lhs: ?Sized + PartialOrd<Rhs>> Cmp<Lhs, Rhs> for Le { |
266 | | #[inline(always)] |
267 | 0 | fn test(&self, lhs: &Lhs, rhs: &Rhs) -> Result<(), LeError> { |
268 | 0 | if *lhs <= *rhs { |
269 | 0 | Ok(()) |
270 | | } else { |
271 | 0 | Err(LeError) |
272 | | } |
273 | 0 | } Unexecuted instantiation: <equator::Le as equator::Cmp<usize, usize>>::test Unexecuted instantiation: <equator::Le as equator::Cmp<_, _>>::test |
274 | | } |
275 | | impl<Rhs: ?Sized, Lhs: ?Sized + PartialOrd<Rhs>> Cmp<Lhs, Rhs> for Ge { |
276 | | #[inline(always)] |
277 | 0 | fn test(&self, lhs: &Lhs, rhs: &Rhs) -> Result<(), GeError> { |
278 | 0 | if *lhs >= *rhs { |
279 | 0 | Ok(()) |
280 | | } else { |
281 | 0 | Err(GeError) |
282 | | } |
283 | 0 | } |
284 | | } |
285 | | impl<Rhs: ?Sized, Lhs: ?Sized + PartialOrd<Rhs>> Cmp<Lhs, Rhs> for Lt { |
286 | | #[inline(always)] |
287 | 0 | fn test(&self, lhs: &Lhs, rhs: &Rhs) -> Result<(), LtError> { |
288 | 0 | if *lhs < *rhs { |
289 | 0 | Ok(()) |
290 | | } else { |
291 | 0 | Err(LtError) |
292 | | } |
293 | 0 | } |
294 | | } |
295 | | impl<Rhs: ?Sized, Lhs: ?Sized + PartialOrd<Rhs>> Cmp<Lhs, Rhs> for Gt { |
296 | | #[inline(always)] |
297 | 0 | fn test(&self, lhs: &Lhs, rhs: &Rhs) -> Result<(), GtError> { |
298 | 0 | if *lhs > *rhs { |
299 | 0 | Ok(()) |
300 | | } else { |
301 | 0 | Err(GtError) |
302 | | } |
303 | 0 | } |
304 | | } |
305 | | |
306 | | #[doc(hidden)] |
307 | | pub struct CmpExpr; |
308 | | #[doc(hidden)] |
309 | | pub struct CustomCmpExpr<E>(pub core::marker::PhantomData<E>); |
310 | | #[doc(hidden)] |
311 | | pub struct AndExpr<L, R>(pub L, pub R); |
312 | | #[doc(hidden)] |
313 | | pub struct OrExpr<L, R>(pub L, pub R); |
314 | | |
315 | | #[doc(hidden)] |
316 | | pub struct Message<'a>(pub core::fmt::Arguments<'a>); |
317 | | #[doc(hidden)] |
318 | | pub struct NoMessage; |
319 | | |
320 | | impl From<NoMessage> for core::fmt::Arguments<'_> { |
321 | 0 | fn from(_: NoMessage) -> Self { |
322 | 0 | core::format_args!("") |
323 | 0 | } |
324 | | } |
325 | | |
326 | | impl<'a> From<Message<'a>> for core::fmt::Arguments<'a> { |
327 | 0 | fn from(t: Message<'a>) -> Self { |
328 | 0 | t.0 |
329 | 0 | } |
330 | | } |
331 | | |
332 | | #[cold] |
333 | | #[inline(never)] |
334 | | #[doc(hidden)] |
335 | | #[track_caller] |
336 | 0 | pub fn panic_failed_assert<'a, M: Into<core::fmt::Arguments<'a>>, D: decompose::Recompose>( |
337 | 0 | __marker: core::marker::PhantomData<D>, |
338 | 0 | debug_lhs: D::DebugLhs, |
339 | 0 | debug_rhs: D::DebugRhs, |
340 | 0 | debug_cmp: D::DebugCmp, |
341 | 0 | source: &'static structures::WithSource<D::Source, &'static D::VTable>, |
342 | 0 | message: M, |
343 | 0 | ) -> ! { |
344 | 0 | panic!( |
345 | 0 | "{:#?}", |
346 | 0 | structures::DebugMessage::<D> { |
347 | 0 | source, |
348 | 0 | debug_lhs, |
349 | 0 | debug_rhs, |
350 | 0 | debug_cmp, |
351 | 0 | message: message.into(), |
352 | 0 | } |
353 | 0 | ) Unexecuted instantiation: equator::panic_failed_assert::<equator::Message, equator::CmpExpr> Unexecuted instantiation: equator::panic_failed_assert::<equator::Message, bool> Unexecuted instantiation: equator::panic_failed_assert::<_, _> |
354 | | } |
355 | | |
356 | | #[cfg(test)] |
357 | | mod tests { |
358 | | use super::*; |
359 | | |
360 | | #[test] |
361 | | #[should_panic] |
362 | | fn test_assert() { |
363 | | assert!(false); |
364 | | } |
365 | | |
366 | | #[cfg(debug_assertions)] |
367 | | #[test] |
368 | | #[should_panic] |
369 | | fn test_debug_assert() { |
370 | | debug_assert!(false); |
371 | | } |
372 | | } |