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