{"header":{"message":"Two iterators (convenience functions), along with tests to move cursors (put and del still destroy cursors though)","description":null,"timestamp":"2021-02-07T17:48:29.919238639Z","authors":[{"full_name":"Pierre-Étienne Meunier","name":"pmeunier"}]},"hash":"LROAI3NBBSCU4T2YA6EHJYKKKL75AU5A7C7WIRCGIQ56S6HPLRXQC","authors":[],"deps":{"hashes":[["LROAI3NBBSCU4T2YA6EHJYKKKL75AU5A7C7WIRCGIQ56S6HPLRXQC","Two iterators (convenience functions), along with tests to move cursors (put and del still destroy cursors though)"],["AA",null],["KM3JAFGPFV7MP7M2LJIYRVAUTU646B3IRXADTRZKOU2RF7LUB62QC","Adding a test for next/prev"],["7WJNSPEWJSJROOYHU6QROWPUZ6WNIOUG2BPSOPDPCK6RG2NQU6OQC","Using the same definition of the \"occupied\" field uniform everywhere"],["ONES3V466GLO5CXKRF5ENK7VFOQPWM3YXLVRGWB56V5SH3W7XNBQC","reference counting works for put"],["EYNN7RLSFVBWDLRTLNNFUAF46Q6OX3BR5SUEJIOOHBSNP7FVBXGAC","Tests++ (including 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})"}]}},{"Edit":{"inode":{"change":3,"pos":63682},"path":"sanakirja-core/src/btree/cursor.rs","line":276,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":70763}],"down_context":[],"flag":"BLOCK","start":3679,"end":4829,"inode":{"change":3,"pos":63682}}},"contents":[{"Add":""},{"Add":"impl<'a, T: LoadPage, K: Representable + ?Sized + 'a, V: Representable + ?Sized + 'a, P: BTreePage + 'a> Iterator for Iter<'a, T, K, V, P> {"},{"Add":" type Item = Result<(&'a K, &'a V), T::Error>;"},{"Add":" fn next(&mut self) -> Option {"},{"Add":" self.cursor.next(self.txn).transpose()"},{"Add":" }"},{"Add":"}"},{"Add":""},{"Add":"pub struct RevIter<'a, T: LoadPage, K: Representable + ?Sized, V: Representable + ?Sized, P: BTreePage> {"},{"Add":" txn: &'a T,"},{"Add":" cursor: Cursor,"},{"Add":"}"},{"Add":""},{"Add":"pub fn rev_iter<'a, T, K, V, P>("},{"Add":" txn: &'a T,"},{"Add":" db: &super::Db_,"},{"Add":" origin: Option<(&K, Option<&V>)>"},{"Add":") -> Result, T::Error>"},{"Add":"where T: LoadPage, K: Representable + ?Sized, V: Representable + ?Sized, P: BTreePage {"},{"Add":" let mut cursor = Cursor::new(txn, db)?;"},{"Add":" cursor.set(txn, origin)?;"},{"Add":" Ok(RevIter {"},{"Add":" cursor,"},{"Add":" txn,"},{"Add":" })"},{"Add":"}"},{"Add":""},{"Add":"impl<'a, T: LoadPage, K: Representable + ?Sized + 'a, V: Representable + ?Sized + 'a, P: BTreePage + 'a> Iterator for RevIter<'a, T, K, V, P> {"},{"Add":" type Item = Result<(&'a K, &'a V), T::Error>;"},{"Add":" fn next(&mut self) -> Option {"},{"Add":" self.cursor.prev(self.txn).transpose()"},{"Add":" }"},{"Add":"}"}]}},{"Edit":{"inode":{"change":22,"pos":11},"path":"sanakirja/src/tests.rs","line":756,"atom":{"NewVertex":{"up_context":[{"change":2,"pos":1140}],"down_context":[{"change":2,"pos":1140}],"flag":"BLOCK","start":4830,"end":4884,"inode":{"change":22,"pos":11}}},"contents":[{"Add":" crate::debug::debug(&txn, &[&db], \"debug\", true);"}]}},{"Edit":{"inode":{"change":22,"pos":11},"path":"sanakirja/src/tests.rs","line":759,"atom":{"NewVertex":{"up_context":[{"change":2,"pos":1219}],"down_context":[{"change":2,"pos":1219}],"flag":"BLOCK","start":4885,"end":4922,"inode":{"change":22,"pos":11}}},"contents":[{"Add":" debug!(\"a {:?} {:?}\", i, k);"}]}},{"Edit":{"inode":{"change":22,"pos":11},"path":"sanakirja/src/tests.rs","line":762,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":2,"pos":1277},"to":{"change":2,"start":1277,"end":1304},"introduced_by":2}],"inode":{"change":22,"pos":11}}},"contents":[{"Del":" debug!(\"{:?}\", i);\n"}]}},{"Edit":{"inode":{"change":22,"pos":11},"path":"sanakirja/src/tests.rs","line":763,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":3677},"to":{"change":2,"start":1305,"end":1382},"introduced_by":2}],"inode":{"change":22,"pos":11}}},"contents":[{"Del":" crate::debug::debug(&txn, &[&db], \"debug\", true);\n debug!(\"=======\");\n"}]}},{"Replacement":{"inode":{"change":22,"pos":11},"path":"sanakirja/src/tests.rs","line":765,"ins":{"up_context":[{"change":2,"pos":1470}],"down_context":[{"change":2,"pos":1505}],"flag":"BLOCK","start":4923,"end":4960,"inode":{"change":22,"pos":11}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":2,"pos":1470},"to":{"change":2,"start":1470,"end":1505},"introduced_by":2}],"inode":{"change":22,"pos":11}},"ins_contents":[{"Add":" debug!(\"b {:?} {:?}\", i, k);"}],"del_contents":[{"Del":" debug!(\"{:?} {:?}\", i, k);\n"}]}},{"Edit":{"inode":{"change":22,"pos":11},"path":"sanakirja/src/tests.rs","line":769,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":2,"pos":1569},"to":{"change":2,"start":1569,"end":1592},"introduced_by":2}],"inode":{"change":22,"pos":11}}},"contents":[{"Del":" debug!(\"=======\");\n"}]}},{"Edit":{"inode":{"change":22,"pos":11},"path":"sanakirja/src/tests.rs","line":771,"atom":{"NewVertex":{"up_context":[{"change":2,"pos":1672}],"down_context":[{"change":2,"pos":1672}],"flag":"BLOCK","start":4961,"end":4998,"inode":{"change":22,"pos":11}}},"contents":[{"Add":" debug!(\"c {:?} {:?}\", i, k);"}]}},{"Replacement":{"inode":{"change":22,"pos":11},"path":"sanakirja/src/tests.rs","line":774,"ins":{"up_context":[{"change":2,"pos":1730}],"down_context":[{"change":2,"pos":1757}],"flag":"BLOCK","start":4999,"end":5671,"inode":{"change":22,"pos":11}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":2,"pos":1730},"to":{"change":2,"start":1730,"end":1757},"introduced_by":2}],"inode":{"change":22,"pos":11}},"ins_contents":[{"Add":" }"},{"Add":" for i in (0..75).rev() {"},{"Add":" let (k, v) = cursor.prev(&txn).unwrap().unwrap();"},{"Add":" debug!(\"d {:?} {:?}\", i, k);"},{"Add":" assert_eq!(*k, i);"},{"Add":" assert_eq!(v.0[0], i);"},{"Add":" }"},{"Add":" crate::debug::debug(&txn, &[&db], \"debug\", true);"},{"Add":" let i0 = 30;"},{"Add":" for (kv, n) in btree::rev_iter(&txn, &db, Some((&i0, None)))"},{"Add":" .unwrap()"},{"Add":" .zip((0..=i0).rev())"},{"Add":" {"},{"Add":" let (k, v) = kv.unwrap();"},{"Add":" assert_eq!(*k, n);"},{"Add":" debug!(\"k = {:?}\", k);"},{"Add":" }"},{"Add":" let i0 = 40;"},{"Add":" for (kv, n) in btree::iter(&txn, &db, Some((&i0, None))).unwrap().zip(i0..) {"},{"Add":" let (k, v) = kv.unwrap();"},{"Add":" assert_eq!(*k, n);"},{"Add":" debug!(\"k = {:?}\", k);"}],"del_contents":[{"Del":" debug!(\"{:?}\", i);\n"}]}}],"owner":"pijul","repo":"sanakirja","token":"qzCncF9OwU93wvScN66XYGi1IrKYJWLIWdw7OLX9I64=","login":null}

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