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32 lines
694 B
Rust
32 lines
694 B
Rust
// run-pass
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const S: &str = "foo";
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pub const B: &[u8] = S.as_bytes();
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pub const C: usize = B.len();
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pub const D: bool = B.is_empty();
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pub const E: bool = S.is_empty();
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pub const F: usize = S.len();
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pub fn foo() -> [u8; S.len()] {
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let mut buf = [0; S.len()];
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for (i, &c) in S.as_bytes().iter().enumerate() {
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buf[i] = c;
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}
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buf
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}
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fn main() {
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assert_eq!(&foo()[..], b"foo");
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assert_eq!(foo().len(), S.len());
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const LEN: usize = S.len();
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assert_eq!(LEN, S.len());
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assert_eq!(B, foo());
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assert_eq!(B, b"foo");
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assert_eq!(C, 3);
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assert_eq!(F, 3);
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assert!(!D);
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assert!(!E);
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const EMPTY: bool = "".is_empty();
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assert!(EMPTY);
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}
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