commit | 53593211e2fd331bdcd94f273847461666b9a38d | [log] [tgz] |
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author | Android Build Coastguard Worker <android-build-coastguard-worker@google.com> | Tue Nov 16 02:05:12 2021 +0000 |
committer | Android Build Coastguard Worker <android-build-coastguard-worker@google.com> | Tue Nov 16 02:05:12 2021 +0000 |
tree | 6380ebdc26ac14fcbff73e2c48e8ac1614a51047 | |
parent | 738c5d53393504042871aa2d07fc540b03e160a6 [diff] | |
parent | 50230dca9022e59185c5a56fd7e7ac65bcbd9e75 [diff] |
Snap for 7918267 from 50230dca9022e59185c5a56fd7e7ac65bcbd9e75 to tm-release Change-Id: I34e96ba9b8f4acd59139ddc992d0a7c1204aae44
cast
Ergonomic, 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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