| commit | 449a2a3fe8c4b582fa46d458cb627f3f7da22538 | [log] [tgz] |
|---|---|---|
| author | Joel Galenson <jgalenson@google.com> | Wed Sep 22 10:52:03 2021 -0700 |
| committer | Joel Galenson <jgalenson@google.com> | Wed Sep 22 10:52:03 2021 -0700 |
| tree | 269a30935e7b77960ca42474e69256d37c326058 | |
| parent | 6a740cd889b319ab356e693264b049c5c4cffbff [diff] |
Upgrade rust/crates/cast to 0.3.0 Test: make Change-Id: I1ae18e548d1226460fa566c75a4776e7252cb5cd
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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