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JuanCaicedo/pattern-match.rs

Created October 13, 2018 00:03
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pattern-match.rs
struct Action {
_type: String,
amount: u32
}
fn update_counter(state:32, action: Action) {
let Action {_type, amount} = action;
return match _type.as_ref() {
"INCREMENT" => state + amount,
"DECREMENT" => state - amount,
"RESET" => 0,
_ => state
}
}
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