12 lines
213 B
Rust
12 lines
213 B
Rust
use std::env;
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fn get_name() -> Option<String> {
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env::var("NAME").ok()
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}
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fn main() {
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match get_name() {
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None => println!("No NAME"),
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Some(name) => println!("Found NAME: {}", name),
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}
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} |