diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /vendor/fixedbitset/src/range.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | vendor/fixedbitset/src/range.rs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/vendor/fixedbitset/src/range.rs b/vendor/fixedbitset/src/range.rs new file mode 100644 index 000000000..aaa48961b --- /dev/null +++ b/vendor/fixedbitset/src/range.rs @@ -0,0 +1,39 @@ +use std::ops::{ + RangeFull, + RangeFrom, + RangeTo, + Range, +}; + +// Taken from https://github.com/bluss/odds/blob/master/src/range.rs. + +/// **IndexRange** is implemented by Rust's built-in range types, produced +/// by range syntax like `..`, `a..`, `..b` or `c..d`. +pub trait IndexRange<T=usize> { + #[inline] + /// Start index (inclusive) + fn start(&self) -> Option<T> { None } + #[inline] + /// End index (exclusive) + fn end(&self) -> Option<T> { None } +} + + +impl<T> IndexRange<T> for RangeFull {} + +impl<T: Copy> IndexRange<T> for RangeFrom<T> { + #[inline] + fn start(&self) -> Option<T> { Some(self.start) } +} + +impl<T: Copy> IndexRange<T> for RangeTo<T> { + #[inline] + fn end(&self) -> Option<T> { Some(self.end) } +} + +impl<T: Copy> IndexRange<T> for Range<T> { + #[inline] + fn start(&self) -> Option<T> { Some(self.start) } + #[inline] + fn end(&self) -> Option<T> { Some(self.end) } +} |