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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /vendor/fixedbitset/src/range.rs
parentInitial commit. (diff)
downloadrustc-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.rs39
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) }
+}