Support no_stdno-std

3 files changed, 29 insertions, 26 deletions

diff --git a/src/rwlock/read_guard.rs b/src/rwlock/read_guard.rs
index f3161f5..7ca73d1 100755
--- a/src/rwlock/read_guard.rs
+++ b/src/rwlock/read_guard.rs
@@ -1,7 +1,7 @@
-use std::fmt::{Debug, Display};
-use std::hash::Hash;
-use std::marker::PhantomData;
-use std::ops::Deref;
+use core::fmt::{Debug, Display};
+use core::hash::Hash;
+use core::marker::PhantomData;
+use core::ops::Deref;
 
 use lock_api::RawRwLock;
 
@@ -16,7 +16,7 @@ use super::{RwLock, RwLockReadGuard, RwLockReadRef};
 #[mutants::skip] // hashing involves PRNG and is hard to test
 #[cfg(not(tarpaulin_include))]
 impl<T: Hash + ?Sized, R: RawRwLock> Hash for RwLockReadRef<'_, T, R> {
-	fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+	fn hash<H: core::hash::Hasher>(&self, state: &mut H) {
 		self.deref().hash(state)
 	}
 }
@@ -24,13 +24,13 @@ impl<T: Hash + ?Sized, R: RawRwLock> Hash for RwLockReadRef<'_, T, R> {
 #[mutants::skip]
 #[cfg(not(tarpaulin_include))]
 impl<T: Debug + ?Sized, R: RawRwLock> Debug for RwLockReadRef<'_, T, R> {
-	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+	fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
 		Debug::fmt(&**self, f)
 	}
 }
 
 impl<T: Display + ?Sized, R: RawRwLock> Display for RwLockReadRef<'_, T, R> {
-	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+	fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
 		Display::fmt(&**self, f)
 	}
 }
@@ -72,7 +72,7 @@ impl<'a, T: ?Sized, R: RawRwLock> RwLockReadRef<'a, T, R> {
 #[mutants::skip] // hashing involves PRNG and is hard to test
 #[cfg(not(tarpaulin_include))]
 impl<T: Hash + ?Sized, R: RawRwLock> Hash for RwLockReadGuard<'_, T, R> {
-	fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+	fn hash<H: core::hash::Hasher>(&self, state: &mut H) {
 		self.deref().hash(state)
 	}
 }
@@ -80,13 +80,13 @@ impl<T: Hash + ?Sized, R: RawRwLock> Hash for RwLockReadGuard<'_, T, R> {
 #[mutants::skip]
 #[cfg(not(tarpaulin_include))]
 impl<T: Debug + ?Sized, R: RawRwLock> Debug for RwLockReadGuard<'_, T, R> {
-	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+	fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
 		Debug::fmt(&**self, f)
 	}
 }
 
 impl<T: Display + ?Sized, R: RawRwLock> Display for RwLockReadGuard<'_, T, R> {
-	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+	fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
 		Display::fmt(&**self, f)
 	}
 }
diff --git a/src/rwlock/rwlock.rs b/src/rwlock/rwlock.rs
index 6adf73a..72e7742 100755
--- a/src/rwlock/rwlock.rs
+++ b/src/rwlock/rwlock.rs
@@ -1,8 +1,9 @@
-use std::cell::UnsafeCell;
-use std::fmt::Debug;
-use std::marker::PhantomData;
-use std::panic::AssertUnwindSafe;
+use core::cell::UnsafeCell;
+use core::fmt::Debug;
+use core::marker::PhantomData;
+use core::panic::AssertUnwindSafe;
 
+use alloc::vec::Vec;
 use lock_api::RawRwLock;
 
 use crate::handle_unwind::handle_unwind;
@@ -163,7 +164,7 @@ impl<T, R: RawRwLock> RwLock<T, R> {
 #[mutants::skip]
 #[cfg(not(tarpaulin_include))]
 impl<T: Debug, R: RawRwLock> Debug for RwLock<T, R> {
-	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+	fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
 		// safety: this is just a try lock, and the value is dropped
 		//         immediately after, so there's no risk of blocking ourselves
 		//         or any other threads
@@ -172,7 +173,7 @@ impl<T: Debug, R: RawRwLock> Debug for RwLock<T, R> {
 		} else {
 			struct LockedPlaceholder;
 			impl Debug for LockedPlaceholder {
-				fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+				fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
 					f.write_str("<locked>")
 				}
 			}
@@ -586,6 +587,8 @@ impl<T: ?Sized, R: RawRwLock> RwLock<T, R> {
 	/// Attempts to create an exclusive lock without a key. Locking this
 	/// without exclusive access to the key is undefined behavior.
 	#[cfg(test)]
+	#[allow(clippy::allow_attributes)]
+	#[allow(dead_code)]
 	pub(crate) unsafe fn try_write_no_key(&self) -> Option<RwLockWriteRef<'_, T, R>> {
 		unsafe {
 			if self.raw_try_write() {
diff --git a/src/rwlock/write_guard.rs b/src/rwlock/write_guard.rs
index 823f7a4..5e367bd 100755
--- a/src/rwlock/write_guard.rs
+++ b/src/rwlock/write_guard.rs
@@ -1,7 +1,7 @@
-use std::fmt::{Debug, Display};
-use std::hash::Hash;
-use std::marker::PhantomData;
-use std::ops::{Deref, DerefMut};
+use core::fmt::{Debug, Display};
+use core::hash::Hash;
+use core::marker::PhantomData;
+use core::ops::{Deref, DerefMut};
 
 use lock_api::RawRwLock;
 
@@ -16,7 +16,7 @@ use super::{RwLock, RwLockWriteGuard, RwLockWriteRef};
 #[mutants::skip] // hashing involves PRNG and is difficult to test
 #[cfg(not(tarpaulin_include))]
 impl<T: Hash + ?Sized, R: RawRwLock> Hash for RwLockWriteRef<'_, T, R> {
-	fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+	fn hash<H: core::hash::Hasher>(&self, state: &mut H) {
 		self.deref().hash(state)
 	}
 }
@@ -24,13 +24,13 @@ impl<T: Hash + ?Sized, R: RawRwLock> Hash for RwLockWriteRef<'_, T, R> {
 #[mutants::skip]
 #[cfg(not(tarpaulin_include))]
 impl<T: Debug + ?Sized, R: RawRwLock> Debug for RwLockWriteRef<'_, T, R> {
-	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+	fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
 		Debug::fmt(&**self, f)
 	}
 }
 
 impl<T: Display + ?Sized, R: RawRwLock> Display for RwLockWriteRef<'_, T, R> {
-	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+	fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
 		Display::fmt(&**self, f)
 	}
 }
@@ -87,7 +87,7 @@ impl<'a, T: ?Sized + 'a, R: RawRwLock> RwLockWriteRef<'a, T, R> {
 #[mutants::skip] // hashing involves PRNG and is difficult to test
 #[cfg(not(tarpaulin_include))]
 impl<T: Hash + ?Sized, R: RawRwLock> Hash for RwLockWriteGuard<'_, T, R> {
-	fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+	fn hash<H: core::hash::Hasher>(&self, state: &mut H) {
 		self.deref().hash(state)
 	}
 }
@@ -95,13 +95,13 @@ impl<T: Hash + ?Sized, R: RawRwLock> Hash for RwLockWriteGuard<'_, T, R> {
 #[mutants::skip]
 #[cfg(not(tarpaulin_include))]
 impl<T: Debug + ?Sized, R: RawRwLock> Debug for RwLockWriteGuard<'_, T, R> {
-	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+	fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
 		Debug::fmt(&**self, f)
 	}
 }
 
 impl<T: Display + ?Sized, R: RawRwLock> Display for RwLockWriteGuard<'_, T, R> {
-	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+	fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
 		Display::fmt(&**self, f)
 	}
 }