diff options
Diffstat (limited to 'third_party/rust/os_str_bytes/src/util.rs')
-rw-r--r-- | third_party/rust/os_str_bytes/src/util.rs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/third_party/rust/os_str_bytes/src/util.rs b/third_party/rust/os_str_bytes/src/util.rs new file mode 100644 index 0000000000..f931969c52 --- /dev/null +++ b/third_party/rust/os_str_bytes/src/util.rs @@ -0,0 +1,9 @@ +pub(super) const BYTE_SHIFT: u8 = 6; + +pub(super) const CONT_MASK: u8 = (1 << BYTE_SHIFT) - 1; + +pub(super) const CONT_TAG: u8 = 0b1000_0000; + +pub(super) const fn is_continuation(byte: u8) -> bool { + byte & !CONT_MASK == CONT_TAG +} |