| commit | ee34eded1b1a2b18a7d3a3b4cb5f1034da9d36f1 | [log] [tgz] |
|---|---|---|
| author | Matthew Maurer <mmaurer@google.com> | Tue Mar 07 17:23:29 2023 -0800 |
| committer | Matthew Maurer <mmaurer@google.com> | Tue Mar 07 17:23:29 2023 -0800 |
| tree | 543441716e90d651a18c9a2ca72c0fd06a19c0b5 | |
| parent | 2a622be6b3b28eda0b906ccb6c1f626f107208b8 [diff] |
Make cast available to product and vendor Bug: 270690570 Test: mma in external/rust/crates Change-Id: If6659c1076a5d4cb378d86715fed5a08f41ecb30
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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