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Merge pull request #19 from matklad/assert

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Assert inputs are not modified concurrently
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Niko Matsakis 2018-10-02 05:54:19 -04:00 committed by GitHub
commit e7d55de454
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1 changed files with 4 additions and 4 deletions
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8
src/runtime.rs
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@ -62,10 +62,6 @@ where
/// case, you can wrap the input with a "no-storage" query and /// case, you can wrap the input with a "no-storage" query and
/// invoke this method from time to time. /// invoke this method from time to time.
pub fn next_revision(&self) { pub fn next_revision(&self) {
if !self.local_state.borrow().query_stack.is_empty() {
panic!("next_revision invoked during a query computation");
}
self.increment_revision(); self.increment_revision();
} }
@ -78,6 +74,10 @@ where
/// Increments the current revision counter and returns the new value. /// Increments the current revision counter and returns the new value.
crate fn increment_revision(&self) -> Revision { crate fn increment_revision(&self) -> Revision {
if !self.local_state.borrow().query_stack.is_empty() {
panic!("increment_revision invoked during a query computation");
}
let result = Revision { let result = Revision {
generation: 1 + self.shared_state.revision.fetch_add(1, Ordering::SeqCst), generation: 1 + self.shared_state.revision.fetch_add(1, Ordering::SeqCst),
}; };