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Add a hand-written error message for the seek_internal precondition

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This commit is contained in:
Max Brunsfeld 2021-06-02 15:08:29 -07:00
parent 01cfba0f8e
commit 2c8d5973f3
1 changed files with 6 additions and 1 deletions
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7
zed/src/sum_tree/cursor.rs
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@ -413,7 +413,12 @@ where
D: Dimension<'a, T::Summary>, D: Dimension<'a, T::Summary>,
{ {
if let Some(target) = target { if let Some(target) = target {
debug_assert!(target.cmp(&self.seek_dimension, cx) >= Ordering::Equal); debug_assert!(
target.cmp(&self.seek_dimension, cx) >= Ordering::Equal,
"cannot seek backward from {:?} to {:?}",
self.seek_dimension,
target
);
} }
if !self.did_seek { if !self.did_seek {