commit | 6a740cd889b319ab356e693264b049c5c4cffbff | [log] [tgz] |
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author | Joel Galenson <jgalenson@google.com> | Mon Aug 30 09:11:15 2021 -0700 |
committer | Joel Galenson <jgalenson@google.com> | Mon Aug 30 09:11:15 2021 -0700 |
tree | 4236fe03b7e747f0cd4a29127a0490f9166621c3 | |
parent | 2d2f5bcda8a646614ffc1a6b65ff15b1a830b720 [diff] |
Update TEST_MAPPING Test: None Change-Id: Ia1826d64826544e098ff077c9c9e20c291103f23
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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