/Rust/Rust read lines from stdin and return a vec

Rust read lines from stdin and return a vec

//read lines from stdin and return a vector
fn readlines() -> Vec<String> {
    use std::io::prelude::*;
    let stdin = std::io::stdin();
    let v = stdin.lock().lines().map(|x| x.unwrap()).collect();
    v
}
// sample usage
fn main() {
    let f = readlines();
    println!("{:?}", f); 
}

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