1 stable release
1.0.0 | Feb 15, 2022 |
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#382 in Parser tooling
7KB
101 lines
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);
lib.rs
:
env-cast
env_cast!()
reads an environment variable just like env!()
, 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);
Dependencies
~1.5MB
~37K SLoC