18 lines
318 B
Rust
18 lines
318 B
Rust
fn first_word(s: &str) -> &str {
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let bytes = s.as_bytes();
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for (i, &item) in bytes.iter().enumerate() {
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if item == b' ' {
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return &s[..i]
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}
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}
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&s[..]
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}
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fn main() {
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let s = String::from("Hello world");
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println!("String: {}", s);
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println!("First word: {}", first_word(&s));
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}
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