{"header":{"message":"Split trait Representable into its mandatory part and an optional part","description":null,"timestamp":"2021-02-14T12:07:42.47647206Z","authors":[{"full_name":"Pierre-Étienne Meunier","name":"pmeunier"}]},"hash":"QYDGYIZRNFRIQD7RUCY5YAN3F2THZA74E5UOHPIFWSULEJFAFVJQC","authors":[],"deps":{"hashes":[["QYDGYIZRNFRIQD7RUCY5YAN3F2THZA74E5UOHPIFWSULEJFAFVJQC","Split trait Representable into its mandatory part and an optional part"],["AA",null],["LSQ6V7M66TEGLJ7QBLRVDX4E7UKJTDQTEXZOS3KGPGFKVXNLPKBQC","Cleanup + docs"],["WS4ZQM4RMIHZ6XZKSDQJGHN5SSSWFL4H236USOPUA33S6RC53RFAC","Debugging, tests, etc."],["W26CFMAQOXMUK4ZOJMAN4SMBXMWFQHO7HCTEVW73FQSRMJZFGJIQC","Improving safety of cursors"],["X3QVVQIS7B7L3XYZAWL3OOBUXOJ6RMOKQ45YMLLGAHYPEEKZ45ZAC","More debugging (del seems to work now)"],["ESUI5EUZUBDPHNN3APU33IFORYPYR6J3WEMEZG57FKF3EH66ZBHAC","Making as_page() unsafe"],["T7QB6QEPWBXAU3RL7LE4GRDWWNQ65ZU2YNNTWBYLORJOABAQFEZQC","Adding 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functions, Unsized pages are always slower than Sized pages (especially for writing)"]],"deps":["LSQ6V7M66TEGLJ7QBLRVDX4E7UKJTDQTEXZOS3KGPGFKVXNLPKBQC"],"known":["OP6SVMOD2GTQ7VNJ4E5KYFG4MIYA7HBMXJTADALMZH4PY7OQRMZQC","WS4ZQM4RMIHZ6XZKSDQJGHN5SSSWFL4H236USOPUA33S6RC53RFAC","EAAYH6BQWDK52EC5RG3BEZQU3FJPN5RRRN4U5KDKDVPKXBVJMNDAC","ONES3V466GLO5CXKRF5ENK7VFOQPWM3YXLVRGWB56V5SH3W7XNBQC","UAQX27N4PI4LHEW6LSHJETIE5MV7JTEMPLTJFYUBMYVPC43H7VOAC","X3QVVQIS7B7L3XYZAWL3OOBUXOJ6RMOKQ45YMLLGAHYPEEKZ45ZAC","YXKP4AIWDBIWBBUDWF66YIPG5ECMHNKEV3PX6KYXOVXY3EWG3WGQC","YWFYZNLZ5JHLIFVBRKZK4TSWVPROUPRG77ZB5M7UHT2OKPL4ZSRQC","DV4A2LR7Q5LAEGAQHLO34PZCHGJUHPAMRZFGT7GUFNKVQKPJNOYQC","QEUTVAZ4F4EJXRDMWDMYXF6XEDMX7YPVG4IIXEKPIR3K54E5W5OAC","6DMPXOAT5GQ3BQQOMUZN2GMBQPRA4IB7CCPHTQTIFGO3KWWAKF3QC","OTWDDJE7TTE73D6BGF4ZN6BH2NFUFLPME2VJ3CPALH463UGWLEIQC","H3FVSQIQGFCFKCPXVOSFHP4OSUOBBURJESCZNGQTNDAAD3WQSBEQC","6UVFCERMGSGNRWCVC3GWO5HWV6MSWE433DXBJVC7KRPP6LLJLCSQC","APPY2E7M5NHNC6MFYXSVEKJVAILK7YAZVTVE3W75EK2JNFVS3XBQC","AOX2XQISHGWNNAFBYRN44Q6AWG7H5DPBK5YMFHK42HQNZ2TMHEJQC","G4JEQLLX6Q7VVFVAEJZAVQXX33MQ36CSCYSMJ5NQM5VZ76DXKU6QC","KMT3MF5NLEQIPZLHCRYDGQ5EA46HJCG3C2ANEPMZGKGHDK77ADPAC","W26CFMAQOXMUK4ZOJMAN4SMBXMWFQHO7HCTEVW73FQSRMJZFGJIQC","UUUVNC4DWEEL7WV5IRPKPZ6HZMYCPA53XM7LJWICUD4E6GN37IRQC","6DCQHIFPEH4GZKSRRS32GMKDRPZH4MTCGOUEI7YEUVKWENBF3JWAC","T7QB6QEPWBXAU3RL7LE4GRDWWNQ65ZU2YNNTWBYLORJOABAQFEZQC","KX3WVNZW5KHVEH6EOQTZ4RBEFFJ3SGF5I467X3JWZ74PURRK4HVAC","SO25TWFLSRQIVTJTTSN77LO5FZQVQPIZTSBULH7MWBBDEWSK3OCAC","EYNN7RLSFVBWDLRTLNNFUAF46Q6OX3BR5SUEJIOOHBSNP7FVBXGAC","OFINGD26ZWCRDVVDI2ZIBLMHXKEMJA6MRNLANJYUHQPIJLPA7J2AC","LROAI3NBBSCU4T2YA6EHJYKKKL75AU5A7C7WIRCGIQ56S6HPLRXQC","XEU2QVLCHPYOOD4TQIPEEVYOVSFMKFPLJYWEJYXYJAZ7S54KWDZAC","T73WR2BX2QDQ6APOREBXUKNH52FDLJNBGWPQUYB2TAF2PT7XCL2AC","MSRWB47YP6L5BVTS53QQPBOHY5SXTSTR5KD6IIF35UWCTEUOCQWQC","Q7DRIBBRE4MNG4NP3PVIXAJF5PQYLFWYIVK2O4VVLEO6XY3BOSFQC","73Z2UB3JGRLFNFORE7D64O4IHIFSZASD4G4FLJ4FJLHANT75MGIAC","NXMFNPZ7VWJRLC3M5QJJVTICXCMGE24F3HVIZA7A7RLVMLQMLDVQC","RV2L6CZWTMUQ2A52YDAFVHDFGURZL3H4SSCDC347UGN23D3J5KZQC","HN6Z5DU4WYMAIOOSNVHLIIMNF6Q53TNJ7YC27SLKWNXVYCTACQKQC","ESUI5EUZUBDPHNN3APU33IFORYPYR6J3WEMEZG57FKF3EH66ZBHAC"]},"hunks":[{"Replacement":{"inode":{"change":3,"pos":91},"path":"sanakirja-core/src/lib.rs","line":36,"ins":{"up_context":[{"change":2,"pos":303}],"down_context":[{"change":2,"pos":1131}],"flag":"BLOCK","start":0,"end":39,"inode":{"change":3,"pos":91}},"del":{"edges":[{"previous":"","flag":"DELETED","from":{"change":2,"pos":303},"to":{"change":3,"start":0,"end":44},"introduced_by":2},{"previous":"BLOCK","flag":"BLOCK 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`Some(offset)`. Return `None` else.\n fn page_offsets(&self) -> Self::PageOffsets;\n const ALIGN: usize;\n"},{"Del":"\n /// Some datastructures expect this to be at least the memory size\n /// of `Self` (as returned by `core::mem::size_of::()`). For\n /// example, the sized implementation of B trees sometimes\n /// allocates an instance of `Self` on the stack, and copy it from\n /// the\n"},{"Del":" const SIZE: Option;\n"},{"Del":"\n /// If `Self::SIZE.is_some()`, this must return the same\n /// value. The default implementation is `Self;:SIZE.unwrap()`.\n"},{"Del":" fn size(&self) -> usize {\n Self::SIZE.unwrap()\n }\n"},{"Del":"\n /// Form a pointer to `Self` from a raw pointer. The purpose of\n /// this function is that the output can be a slim or a fat\n /// pointer (like for `&[u8]`).\n"},{"Del":" unsafe fn from_raw_ptr<'a, T: LoadPage>(txn: &T, p: *const u8) -> &'a Self;\n"},{"Del":"\n /// Read the size from an on-page entry. If `Self::SIZE.is_some()`\n /// this must be the same value.\n"},{"Del":" unsafe fn onpage_size(_: *const u8) -> usize {\n Self::SIZE.unwrap()\n }\n"},{"Del":"\n /// Write to a page. Must not overwrite the allocated size, but\n /// this isn't checkde (which is why it's unsafe).\n"},{"Del":" unsafe fn write_to_page(&self, p: *mut u8);\n"},{"Del":"\n"}]}},{"Edit":{"inode":{"change":3,"pos":91},"path":"sanakirja-core/src/lib.rs","line":43,"atom":{"NewVertex":{"up_context":[{"change":2,"pos":1363}],"down_context":[{"change":2,"pos":1363}],"flag":"BLOCK","start":40,"end":212,"inode":{"change":3,"pos":91}}},"contents":[{"Add":" /// If this value is an offset to another page at offset `offset`,"},{"Add":" /// return `Some(offset)`. Return `None` else."},{"Add":" fn page_offsets(&self) -> Self::PageOffsets;"},{"Add":""}]}},{"Replacement":{"inode":{"change":3,"pos":91},"path":"sanakirja-core/src/lib.rs","line":60,"ins":{"up_context":[{"change":3,"pos":809}],"down_context":[{"change":3,"pos":851}],"flag":"BLOCK","start":213,"end":244,"inode":{"change":3,"pos":91}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":809},"to":{"change":3,"start":167,"end":203},"introduced_by":3}],"inode":{"change":3,"pos":91}},"ins_contents":[{"Add":" impl Storable for $t {"}],"del_contents":[{"Del":" impl Representable for $t {\n"}]}},{"Edit":{"inode":{"change":3,"pos":91},"path":"sanakirja-core/src/lib.rs","line":65,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1014},"to":{"change":3,"start":1014,"end":1154},"introduced_by":3}],"inode":{"change":3,"pos":91}}},"contents":[{"Del":" const ALIGN: usize = core::mem::align_of::();\n const SIZE: Option = Some(core::mem::size_of::());\n"}]}},{"Replacement":{"inode":{"change":3,"pos":91},"path":"sanakirja-core/src/lib.rs","line":68,"ins":{"up_context":[{"change":3,"pos":1267}],"down_context":[{"change":3,"pos":99}],"flag":"BLOCK","start":245,"end":584,"inode":{"change":3,"pos":91}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1364},"to":{"change":3,"start":280,"end":357},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":357},"to":{"change":3,"start":357,"end":394},"introduced_by":3}],"inode":{"change":3,"pos":91}},"ins_contents":[{"Add":" }"},{"Add":" impl UnsizedStorable for $t {"},{"Add":" const ALIGN: usize = core::mem::align_of::<$t>();"},{"Add":""},{"Add":" /// If `Self::SIZE.is_some()`, this must return the same"},{"Add":" /// value. The default implementation is `Self;:SIZE.unwrap()`."},{"Add":" fn size(&self) -> usize {"},{"Add":" core::mem::size_of::()"}],"del_contents":[{"Del":" unsafe fn from_raw_ptr<'a, T>(_: &T, p: *const u8) -> &'a Self {\n"},{"Del":" &*(p as *const Self)\n"}]}},{"Edit":{"inode":{"change":3,"pos":91},"path":"sanakirja-core/src/lib.rs","line":77,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":113}],"down_context":[{"change":3,"pos":231}],"flag":"BLOCK","start":585,"end":897,"inode":{"change":3,"pos":91}}},"contents":[{"Add":""},{"Add":" /// Read the size from an on-page entry."},{"Add":" unsafe fn onpage_size(_: *const u8) -> usize {"},{"Add":" core::mem::size_of::()"},{"Add":" }"},{"Add":""},{"Add":" /// Write to a page. Must not overwrite the allocated size, but"},{"Add":" /// this isn't checked (which is why it's unsafe)."}]}},{"Edit":{"inode":{"change":3,"pos":91},"path":"sanakirja-core/src/lib.rs","line":88,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":408}],"down_context":[{"change":3,"pos":1364}],"flag":"BLOCK","start":898,"end":1027,"inode":{"change":3,"pos":91}}},"contents":[{"Add":""},{"Add":" unsafe fn from_raw_ptr<'a, T>(_: &T, p: *const u8) -> &'a Self {"},{"Add":" &*(p as *const Self)"},{"Add":" }"}]}},{"Replacement":{"inode":{"change":3,"pos":91},"path":"sanakirja-core/src/lib.rs","line":107,"ins":{"up_context":[{"change":3,"pos":362}],"down_context":[{"change":3,"pos":392}],"flag":"BLOCK","start":1028,"end":1715,"inode":{"change":3,"pos":91}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":362},"to":{"change":3,"start":362,"end":392},"introduced_by":3}],"inode":{"change":3,"pos":91}},"ins_contents":[{"Add":"/// Types that can be stored on disk."},{"Add":"pub trait UnsizedStorable: Storable {"},{"Add":" const ALIGN: usize;"},{"Add":""},{"Add":" /// If `Self::SIZE.is_some()`, this must return the same"},{"Add":" /// value. The default implementation is `Self;:SIZE.unwrap()`."},{"Add":" fn size(&self) -> usize;"},{"Add":""},{"Add":" /// Read the size from an on-page entry. If `Self::SIZE.is_some()`"},{"Add":" /// this must be the same value."},{"Add":" unsafe fn onpage_size(_: *const u8) -> usize;"},{"Add":""},{"Add":" /// Write to a page. Must not overwrite the allocated size, but"},{"Add":" /// this isn't checked (which is why it's unsafe)."},{"Add":" unsafe fn write_to_page(&self, p: *mut u8);"},{"Add":""},{"Add":" unsafe fn from_raw_ptr<'a, T>(_: &T, p: *const u8) -> &'a Self;"},{"Add":"}"},{"Add":""},{"Add":"impl Storable for [u8] {"}],"del_contents":[{"Del":"impl Representable for [u8] {\n"}]}},{"Edit":{"inode":{"change":3,"pos":91},"path":"sanakirja-core/src/lib.rs","line":131,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":523},"to":{"change":3,"start":523,"end":589},"introduced_by":3}],"inode":{"change":3,"pos":91}}},"contents":[{"Del":" const ALIGN: usize = 2;\n const SIZE: Option = None;\n"}]}},{"Edit":{"inode":{"change":3,"pos":91},"path":"sanakirja-core/src/lib.rs","line":134,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":682}],"down_context":[{"change":3,"pos":682}],"flag":"BLOCK","start":1716,"end":1779,"inode":{"change":3,"pos":91}}},"contents":[{"Add":"}"},{"Add":""},{"Add":"impl UnsizedStorable for [u8] {"},{"Add":" const ALIGN: usize = 2;"}]}},{"Replacement":{"inode":{"change":3,"pos":91},"path":"sanakirja-core/src/lib.rs","line":158,"ins":{"up_context":[{"change":3,"pos":469}],"down_context":[{"change":2,"pos":1659}],"flag":"BLOCK","start":1780,"end":1867,"inode":{"change":3,"pos":91}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":469},"to":{"change":3,"start":197,"end":280},"introduced_by":3}],"inode":{"change":3,"pos":91}},"ins_contents":[{"Add":"unsafe fn read("}],"del_contents":[{"Del":"unsafe fn 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usize;\n"}]}},{"Replacement":{"inode":{"change":3,"pos":17232},"path":"sanakirja-core/src/btree/page/alloc.rs","line":18,"ins":{"up_context":[{"change":3,"pos":18160}],"down_context":[{"change":3,"pos":18230}],"flag":"BLOCK","start":8574,"end":8638,"inode":{"change":3,"pos":17232}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":18160},"to":{"change":3,"start":5095,"end":5169},"introduced_by":3}],"inode":{"change":3,"pos":17232}},"ins_contents":[{"Add":" fn offset_slice<'a, T: LoadPage, K: Storable, V: Storable>("}],"del_contents":[{"Del":" fn offset_slice<'a, T: LoadPage, K: Representable, V: Representable>(\n"}]}},{"Replacement":{"inode":{"change":3,"pos":17232},"path":"sanakirja-core/src/btree/page/alloc.rs","line":21,"ins":{"up_context":[{"change":3,"pos":18297}],"down_context":[{"change":3,"pos":10825}],"flag":"BLOCK","start":8639,"end":8693,"inode":{"change":3,"pos":17232}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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>(\n"}]}},{"Replacement":{"inode":{"change":3,"pos":11},"path":"sanakirja/src/debug.rs","line":12,"ins":{"up_context":[{"change":3,"pos":248}],"down_context":[{"change":3,"pos":346}],"flag":"BLOCK","start":13935,"end":14023,"inode":{"change":3,"pos":11}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":248},"to":{"change":3,"start":248,"end":346},"introduced_by":3}],"inode":{"change":3,"pos":11}},"ins_contents":[{"Add":" K: Storable + ?Sized + std::fmt::Debug,"},{"Add":" V: Storable + ?Sized + std::fmt::Debug,"}],"del_contents":[{"Del":" K: Representable + ?Sized + std::fmt::Debug,\n V: Representable + ?Sized + std::fmt::Debug,\n"}]}},{"Replacement":{"inode":{"change":3,"pos":11},"path":"sanakirja/src/debug.rs","line":35,"ins":{"up_context":[{"change":3,"pos":826}],"down_context":[{"change":3,"pos":924}],"flag":"BLOCK","start":14024,"end":14112,"inode":{"change":3,"pos":11}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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Representable + ?Sized + std::fmt::Debug,\n"}]}}],"owner":"pijul","repo":"sanakirja","token":"Hn/f36MEYOeJ2sZJo6p9qbDGeIM2sLHpjqMdxS/II0Y=","login":null}

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