Support no_stdno-std

2 files changed, 17 insertions, 16 deletions

diff --git a/src/mutex/guard.rs b/src/mutex/guard.rs
index 538a08a..dad1cd7 100755
--- a/src/mutex/guard.rs
+++ b/src/mutex/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::RawMutex;
 
@@ -16,7 +16,7 @@ use super::{Mutex, MutexGuard, MutexRef};
 #[mutants::skip] // hashing involves RNG and is hard to test
 #[cfg(not(tarpaulin_include))]
 impl<T: Hash + ?Sized, R: RawMutex> Hash for MutexRef<'_, 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: RawMutex> Hash for MutexRef<'_, T, R> {
 #[mutants::skip]
 #[cfg(not(tarpaulin_include))]
 impl<T: Debug + ?Sized, R: RawMutex> Debug for MutexRef<'_, 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: RawMutex> Display for MutexRef<'_, 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)
 	}
 }
@@ -90,7 +90,7 @@ impl<'a, T: ?Sized, R: RawMutex> MutexRef<'a, T, R> {
 #[mutants::skip] // hashing involves RNG and is hard to test
 #[cfg(not(tarpaulin_include))]
 impl<T: Hash + ?Sized, R: RawMutex> Hash for MutexGuard<'_, 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)
 	}
 }
@@ -98,13 +98,13 @@ impl<T: Hash + ?Sized, R: RawMutex> Hash for MutexGuard<'_, T, R> {
 #[mutants::skip]
 #[cfg(not(tarpaulin_include))]
 impl<T: Debug + ?Sized, R: RawMutex> Debug for MutexGuard<'_, 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: RawMutex> Display for MutexGuard<'_, 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/mutex/mutex.rs b/src/mutex/mutex.rs
index dc374aa..f6db081 100755
--- a/src/mutex/mutex.rs
+++ b/src/mutex/mutex.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::RawMutex;
 
 use crate::handle_unwind::handle_unwind;
@@ -147,7 +148,7 @@ impl<T, R: RawMutex> Mutex<T, R> {
 #[mutants::skip]
 #[cfg(not(tarpaulin_include))]
 impl<T: ?Sized + Debug, R: RawMutex> Debug for Mutex<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
@@ -157,7 +158,7 @@ impl<T: ?Sized + Debug, R: RawMutex> Debug for Mutex<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>")
 				}
 			}