dan/mars-rover-fe
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use match instead of if/else

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Rotation is an enum so leverage the compiler to tell us
we've considered all cases
This commit is contained in:
Daniel Barlow 2023-11-01 00:23:58 +00:00
parent c812b79363
commit f09e4d4bee
1 changed files with 11 additions and 8 deletions
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19
src/main.rs
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@ -39,14 +39,17 @@ mod rover {
} }
pub fn rotate((lon, lat, direction) : &Rover, rotation: Rotation) -> Rover { pub fn rotate((lon, lat, direction) : &Rover, rotation: Rotation) -> Rover {
if rotation == Rotation::Left { match rotation {
let new_d = next_direction(*direction); Rotation::Left => {
(*lon, *lat, new_d) let new_d = next_direction(*direction);
} else { (*lon, *lat, new_d)
let new_d = next_direction(*direction); },
let new_d = next_direction(new_d); Rotation::Right => {
let new_d = next_direction(new_d); let new_d = next_direction(*direction);
(*lon, *lat, new_d) let new_d = next_direction(new_d);
let new_d = next_direction(new_d);
(*lon, *lat, new_d)
}
} }
} }
} }