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// aux-build:macro_rules.rs
#![warn(clippy::option_env_unwrap)]
#![allow(clippy::map_flatten)]
#[macro_use]
extern crate macro_rules;
macro_rules! option_env_unwrap {
($env: expr) => {
option_env!($env).unwrap()
};
($env: expr, $message: expr) => {
option_env!($env).expect($message)
};
}
fn main() {
let _ = option_env!("PATH").unwrap();
let _ = option_env!("PATH").expect("environment variable PATH isn't set");
let _ = option_env_unwrap!("PATH");
let _ = option_env_unwrap!("PATH", "environment variable PATH isn't set");
let _ = option_env_unwrap_external!("PATH");
let _ = option_env_unwrap_external!("PATH", "environment variable PATH isn't set");
}
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