| commit | b8f1071dd47cbf67c3d1c6bc54021b420de888e1 | [log] [tgz] |
|---|---|---|
| author | Jakub Kotur <qtr@google.com> | Tue Mar 16 20:53:16 2021 +0000 |
| committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | Tue Mar 16 20:53:16 2021 +0000 |
| tree | 3c131e9a6e96d63c9d59a16721bcf780f03ee20e | |
| parent | 10b8f7c79571400b592bfadcbb5a52873872b7e4 [diff] | |
| parent | ab700367e724ce3576e2aa5cc3c94a36439c1541 [diff] |
Initial import of cast-0.2.3. am: 80f5cd0831 am: 46353a3021 am: f8edbc5cc4 am: ab700367e7 Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/cast/+/1620970 Change-Id: I53797effda716124e6b433eb4c232f1d96725fa7
castErgonomic, checked cast functions for primitive types
extern crate cast; // `u8` and `u16` are checked cast functions, use them to cast from any numeric // primitive to `u8`/`u16` respectively use cast::{u8, u16, Error}; // Infallible operations, like integer promotion, are equivalent to a normal // cast with `as` assert_eq!(u16(0u8), 0u16); // Everything else will return a `Result` depending on the success of the // operation assert_eq!(u8(0u16), Ok(0u8)); assert_eq!(u8(256u16), Err(Error::Overflow)); assert_eq!(u8(-1i8), Err(Error::Underflow)); assert_eq!(u8(1. / 0.), Err(Error::Infinite)); assert_eq!(u8(0. / 0.), Err(Error::NaN));
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