Created
November 27, 2014 01:03
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Some rust.
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// This code is editable and runnable! | |
fn main() { | |
// A simple integer calculator: | |
// `+` or `-` means add or subtract by 1 | |
// `*` or `/` means multiply or divide by 2 | |
let program = "+ + * - /"; | |
let mut accumulator = 0i; | |
for token in program.chars() { | |
match token { | |
'+' => accumulator += 1, | |
'-' => accumulator -= 1, | |
'*' => accumulator *= 2, | |
'/' => accumulator /= 2, | |
_ => { /* ignore everything else */ } | |
} | |
} | |
println!("The program \"{}\" calculates the value {}", | |
program, accumulator); | |
} |
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