bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/limit/src/lib.rs')
-rw-r--r--crates/limit/src/lib.rs67
1 files changed, 0 insertions, 67 deletions
diff --git a/crates/limit/src/lib.rs b/crates/limit/src/lib.rs
deleted file mode 100644
index c1caeed2f8..0000000000
--- a/crates/limit/src/lib.rs
+++ /dev/null
@@ -1,67 +0,0 @@
-//! limit defines a struct to enforce limits.
-
-#[cfg(feature = "tracking")]
-use std::sync::atomic::AtomicUsize;
-
-/// Represents a struct used to enforce a numerical limit.
-#[derive(Debug)]
-pub struct Limit {
- upper_bound: usize,
- #[cfg(feature = "tracking")]
- max: AtomicUsize,
-}
-
-impl Limit {
- /// Creates a new limit.
- #[inline]
- pub const fn new(upper_bound: usize) -> Self {
- Self {
- upper_bound,
- #[cfg(feature = "tracking")]
- max: AtomicUsize::new(0),
- }
- }
-
- /// Creates a new limit.
- #[inline]
- #[cfg(feature = "tracking")]
- pub const fn new_tracking(upper_bound: usize) -> Self {
- Self {
- upper_bound,
- #[cfg(feature = "tracking")]
- max: AtomicUsize::new(1),
- }
- }
-
- /// Gets the underlying numeric limit.
- #[inline]
- pub const fn inner(&self) -> usize {
- self.upper_bound
- }
-
- /// Checks whether the given value is below the limit.
- /// Returns `Ok` when `other` is below `self`, and `Err` otherwise.
- #[inline]
- pub fn check(&self, other: usize) -> Result<(), ()> {
- if other > self.upper_bound {
- Err(())
- } else {
- #[cfg(feature = "tracking")]
- loop {
- use std::sync::atomic::Ordering;
- let old_max = self.max.load(Ordering::Relaxed);
- if other <= old_max || old_max == 0 {
- break;
- }
- _ = self.max.compare_exchange_weak(
- old_max,
- other,
- Ordering::Relaxed,
- Ordering::Relaxed,
- );
- }
-
- Ok(())
- }
- }
-}