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@kjhoerr
kjhoerr / aocday1a.rs
Last active December 25, 2017 07:41
aocday1a.rs
#[cfg(not(test))]
use std::env;
// take a string and turn it into a vector of digits
fn to_vec (input: &String) -> Result<Vec<u32>,()> {
input
.chars()
.map(|c| c.to_digit(10).ok_or(()))
.collect()
}

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