env-cast
| Crates.io | env-cast |
| lib.rs | env-cast |
| version | 1.0.0 |
| created_at | 2022-02-15 07:20:35.671244+00 |
| updated_at | 2022-02-15 07:20:35.671244+00 |
| description | Macro to parse an environment variable to a numeric type at compile time |
| homepage | |
| repository | https://github.com/rob2309/env-cast-rs |
| max_upload_size | |
| id | 532609 |
| size | 8,972 |
Robin Quint (Rob2309)
documentation
README
env-cast
env_cast! reads an environment variable just like env!("XXX"), but parses it into a specific type.
Supported types are currently
i8, u8, i16, u16, i32, u32, i64, u64, f32, f64.
Example
use env_cast::env_cast;
let PKG_MAJOR: u32 = env_cast!("CARGO_PKG_VERSION_MAJOR" as u32);