Programming-Idioms

Edit summary for version 34 by freecoder:
[Rust] Simplified

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2018-12-17, 18:56:59

2018-12-17, 19:00:59

Idiom #120 Read integer from stdin

Read an integer value from the standard input into variable n.

Read an integer value from the standard input into variable n.

use std::io::{self, Read};

use std::io;

let mut buffer = String::new();
io::stdin().read_to_string(&mut buffer).unwrap();
let n: i32 = buffer.trim().parse().unwrap();

let mut input = String::new();
io::stdin().read_line(&mut input).unwrap();
let n: i32 = input.trim().parse().unwrap();

https://doc.rust-lang.org/std/io/struct.Stdin.html#method.read_line

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