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Fixed-size byte string literals (RFC 339)

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This commit is contained in:
Vadim Petrochenkov 2015-02-26 11:25:16 +03:00
parent bfac337daa
commit 1e9bef916f
10 changed files with 100 additions and 43 deletions
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22
src/test/run-pass/byte-literals.rs
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@ -13,9 +13,13 @@
static FOO: u8 = b'\xF0';
static BAR: &'static [u8] = b"a\xF0\t";
static BAR_FIXED: &'static [u8; 3] = b"a\xF0\t";
static BAZ: &'static [u8] = br"a\n";
pub fn main() {
let bar: &'static [u8] = b"a\xF0\t";
let bar_fixed: &'static [u8; 3] = b"a\xF0\t";
assert_eq!(b'a', 97u8);
assert_eq!(b'\n', 10u8);
assert_eq!(b'\r', 13u8);
@ -44,19 +48,23 @@ pub fn main() {
b", expected);
let expected: &[_] = &[97u8, 240u8, 9u8];
assert_eq!(BAR, expected);
assert_eq!(BAR_FIXED, expected);
assert_eq!(bar, expected);
assert_eq!(bar_fixed, expected);
let val: &[_] = &[97u8, 10u8];
let val = &[97u8, 10u8];
match val {
b"a\n" => {},
_ => panic!(),
}
let buf = vec!(97u8, 98, 99, 100);
assert_eq!(match &buf[0..3] {
b"def" => 1_usize,
b"abc" => 2_usize,
_ => 3_usize
}, 2);
// FIXME: There are no DST coercions &[T; N] -> &[T] in patterns
// let buf = vec!(97u8, 98, 99, 100);
// assert_eq!(match &buf[0..3] {
// b"def" => 1_usize,
// b"abc" => 2_usize,
// _ => 3_usize
// }, 2);
let expected: &[_] = &[97u8, 92u8, 110u8];
assert_eq!(BAZ, expected);