feat(ecs): allow control over component mutability in query

1 files changed, 7 insertions, 4 deletions

diff --git a/ecs/src/lock.rs b/ecs/src/lock.rs
index fbc6842..135f654 100644
--- a/ecs/src/lock.rs
+++ b/ecs/src/lock.rs
@@ -28,7 +28,7 @@ where
     pub fn read_nonblock(&self) -> Result<ReadGuard<Value>, Error>
     {
         let guard = self.inner.try_read().or_else(|err| match err {
-            TryLockError::WouldBlock => Err(Error::Unavailable),
+            TryLockError::WouldBlock => Err(Error::ReadUnavailable),
             TryLockError::Poisoned(poison_err) => Ok(poison_err.into_inner()),
         })?;
 
@@ -45,7 +45,7 @@ where
     pub fn write_nonblock(&self) -> Result<WriteGuard<Value>, Error>
     {
         let guard = self.inner.try_write().or_else(|err| match err {
-            TryLockError::WouldBlock => Err(Error::Unavailable),
+            TryLockError::WouldBlock => Err(Error::WriteUnavailable),
             TryLockError::Poisoned(poison_err) => Ok(poison_err.into_inner()),
         })?;
 
@@ -69,8 +69,11 @@ where
 #[derive(Debug, thiserror::Error)]
 pub enum Error
 {
-    #[error("Lock is unavailable")]
-    Unavailable,
+    #[error("Lock is unavailable for reading")]
+    ReadUnavailable,
+
+    #[error("Lock is unavailable for writing")]
+    WriteUnavailable,
 }
 
 #[derive(Debug)]