18 lines
435 B
Rust
18 lines
435 B
Rust
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pub fn length_of_last_word(string: String) -> i32 {
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string
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.split_whitespace()
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.last()
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.map(|word| word.len())
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.unwrap_or_default() as i32
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}
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#[test]
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fn test_length_of_last_word() {
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assert_eq!(length_of_last_word("Hello World".to_string()), 5);
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assert_eq!(
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length_of_last_word(" fly me to the moon ".to_string()),
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4
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);
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assert_eq!(length_of_last_word("luffy is still joyboy".to_string()), 6);
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}
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