set msrv to 1.63

latches/Cargo.toml

@@ -8,6 +8,7 @@ repository = "https://github.com/mirromutth/latches"
 license = "MIT OR Apache-2.0"
 readme = "../README.md"
 description = "A downward counter (CountDownLatch) which can be used to synchronize threads or coordinate tasks"
+rust-version = "1.63"   # keep in sync with docs
 
 [package.metadata.docs.rs]
 all-features = true

latches/src/lock/stds.rs

@@ -15,18 +15,11 @@ pub(crate) struct EmptyCondvar(Mutex<()>, StdCondvar);
 pub(crate) type CondvarGuard<'a> = MutexGuard<'a, ()>;
 
 impl<T> Mutex<T> {
-    #[cfg(not(latches_no_const_sync))]
     #[must_use]
     #[inline]
     pub(crate) const fn new(t: T) -> Self {
         Self(StdMutex::new(t))
     }
-    #[cfg(latches_no_const_sync)]
-    #[must_use]
-    #[inline]
-    pub(crate) fn new(t: T) -> Self {
-        Self(StdMutex::new(t))
-    }
 
     pub(crate) fn lock(&self) -> MutexGuard<'_, T> {
         match self.0.lock() {
@@ -38,18 +31,11 @@ impl<T> Mutex<T> {
 
 #[cfg(feature = "sync")]
 impl EmptyCondvar {
-    #[cfg(not(latches_no_const_sync))]
     #[must_use]
     #[inline]
     pub(crate) const fn new() -> Self {
         Self(Mutex::new(()), StdCondvar::new())
     }
-    #[cfg(latches_no_const_sync)]
-    #[must_use]
-    #[inline]
-    pub(crate) fn new() -> Self {
-        Self(Mutex::new(()), StdCondvar::new())
-    }
 
     /// Notifies all threads waiting on this condition variable.
     ///

latches/src/sync/mod.rs

@@ -114,7 +114,6 @@ impl Latch {
     /// let latch = Latch::new(10);
     /// # drop(latch);
     /// ```
-    #[cfg(not(latches_no_const_sync))]
     #[must_use]
     #[inline]
     pub const fn new(count: usize) -> Self {
@@ -123,17 +122,6 @@ impl Latch {
             cvar: EmptyCondvar::new(),
         }
     }
-    /// Creates a new latch initialized with the given count.
-    #[cfg(latches_no_const_sync)]
-    #[must_use]
-    #[inline]
-    pub fn new(count: usize) -> Self {
-        Self {
-            stat: AtomicUsize::new(count),
-            lock: Mutex::new(()),
-            cvar: Condvar::new(),
-        }
-    }
 
     /// Decrements the latch count, re-enable all waiting threads if the
     /// counter reaches 0 after decrement.

latches/src/task/mod.rs

@@ -113,7 +113,6 @@ impl Latch {
     /// let latch = Latch::new(10);
     /// # drop(latch);
     /// ```
-    #[cfg(not(latches_no_const_sync))]
     #[must_use]
     #[inline]
     pub const fn new(count: usize) -> Self {
@@ -122,16 +121,6 @@ impl Latch {
             lock: Mutex::new(Waiters::new()),
         }
     }
-    /// Creates a new latch initialized with the given count.
-    #[cfg(latches_no_const_sync)]
-    #[must_use]
-    #[inline]
-    pub fn new(count: usize) -> Self {
-        Self {
-            stat: AtomicUsize::new(count),
-            lock: Mutex::new(Waiters::new()),
-        }
-    }
 
     /// Decrements the latch count, wake up all pending tasks if the counter
     /// reaches 0 after decrement.