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if3 solution

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This commit is contained in:
mo8it
2024-05-22 15:54:35 +02:00
parent eafb157d60
commit 73e84f8379
2 changed files with 63 additions and 12 deletions
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21
exercises/03_if/if3.rs
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@ -1,4 +1,5 @@
fn animal_habitat(animal: &str) -> &'static str {
fn animal_habitat(animal: &str) -> &str {
// TODO: Fix the compiler error in the statement below.
let identifier = if animal == "crab" {
1
} else if animal == "gopher" {
@ -9,8 +10,8 @@ fn animal_habitat(animal: &str) -> &'static str {
"Unknown"
};
// DO NOT CHANGE THIS STATEMENT BELOW
let habitat = if identifier == 1 {
// Don't change the expression below!
if identifier == 1 {
"Beach"
} else if identifier == 2 {
"Burrow"
@ -18,37 +19,35 @@ fn animal_habitat(animal: &str) -> &'static str {
"Desert"
} else {
"Unknown"
};
habitat
}
}
fn main() {
// You can optionally experiment here.
}
// No test changes needed.
// Don't change the tests!
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn gopher_lives_in_burrow() {
assert_eq!(animal_habitat("gopher"), "Burrow");
assert_eq!(animal_habitat("gopher"), "Burrow")
}
#[test]
fn snake_lives_in_desert() {
assert_eq!(animal_habitat("snake"), "Desert");
assert_eq!(animal_habitat("snake"), "Desert")
}
#[test]
fn crab_lives_on_beach() {
assert_eq!(animal_habitat("crab"), "Beach");
assert_eq!(animal_habitat("crab"), "Beach")
}
#[test]
fn unknown_animal() {
assert_eq!(animal_habitat("dinosaur"), "Unknown");
assert_eq!(animal_habitat("dinosaur"), "Unknown")
}
}