rust-clippy/tests/ui/option_env_unwrap.rs
bors 295bdc028f Auto merge of #10759 - blyxyas:unset_opt_env_unwrap, r=flip1995
Now `option_env_unwrap` warns even if a variable isn't set at compiletime

Fixes #10742
changelog: Fix false negative where `option_env_unwrap` wouldn't warn if the env variable isn't set at compile-time.
2023-07-27 19:52:46 +00:00

17 lines
765 B
Rust

//@aux-build:proc_macros.rs:proc-macro
#![warn(clippy::option_env_unwrap)]
#![allow(clippy::map_flatten)]
extern crate proc_macros;
use proc_macros::{external, inline_macros};
#[inline_macros]
fn main() {
let _ = option_env!("PATH").unwrap();
let _ = option_env!("PATH").expect("environment variable PATH isn't set");
let _ = option_env!("__Y__do_not_use").unwrap(); // This test only works if you don't have a __Y__do_not_use env variable in your environment.
let _ = inline!(option_env!($"PATH").unwrap());
let _ = inline!(option_env!($"PATH").expect($"environment variable PATH isn't set"));
let _ = external!(option_env!($"PATH").unwrap());
let _ = external!(option_env!($"PATH").expect($"environment variable PATH isn't set"));
}