{"header":{"message":"Implement DoubleEndedIterator for Chain\n","description":null,"timestamp":"2019-11-17T22:39:14Z","authors":[{"email":"dtolnay@gmail.com","name":"David Tolnay"}]},"hash":"FJF2WKUK6PNGAEJM5OGC2YHZVJLURWJ7TKVTOKC3XWSBO54QNIBAC","authors":[],"deps":{"hashes":[["FJF2WKUK6PNGAEJM5OGC2YHZVJLURWJ7TKVTOKC3XWSBO54QNIBAC","Implement DoubleEndedIterator for Chain\n"],["AA",null],["VSLQNAQBAGOJC2IV55V3W755UIPN47J4RTCCLCABRFFFUU5LT2JQC","Also move Error and Chain to get usable paths in diagnostics\n"],["XPE6XANXV2TTPCF7BO5RNYGAZVHA3OKDFETBOWVGG7TVRCLRKAEQC","Move Chain implementation to chain.rs\n"],["AOQSHDBY3FLBJBFEIJQDYHGQOBECTYRN3KPWJWQMCVWDTB6L2IRQC","Work around bad diagnostic when missing Context import\n\nPreviously the compiler would say:\n\n error[E0599]: no method named `context` found for type `std::result::Result<(), anyhow::error::Error>` in the current scope\n --> src/main.rs:83:13\n |\n 83 | context(...)?;\n | ^^^^^^^ method not found in `std::result::Result<(), anyhow::error::Error>`\n |\n = help: items from traits can only be used if the trait is in scope\n help: the following trait is implemented but not in scope; perhaps add a `use` for it:\n |\n 19 | use anyhow::context::Context;\n\nwhere the `anyhow::context::Context` in the suggestion is not a path\nthat is accessible to the user.\n"],["YNTEYSW7NVBWQLJU45XRK7AWQR5NWFOB4UUVVQ62ERZOO2QJJGAAC","Move error formatting to fmt.rs\n"],["C4Z57UJSN5U4LZSPXMQ22QOG4C6JG4CIROPT42SI6KBQQ7T32WQQC","Add Clone impl for anyhow::Chain\n"],["CITEDKPB6MKVZUEYEDE5ZKTNVY35HCOAXKDPYG7YLLEOVFNMSRXQC","Import implementation from fehler 1.0.0-alpha.1\n"],["F5QLL7RNKWB6DNLUZ7VKGTTYDVCH37YGR26SHZBIVAR37JJMQTXQC","Implement alternate display format {:#}\n"],["RIKD63GT7RFV3UAV4BYD57GFXKXALWUP6J7AAHB3M6JVAZ3WFTXAC","Add conversion from Error to Box\n"],["MCPTFJMN333Z2GVL5J2KPLR6BJ3TAZKUGFORXNZ4YZBRXVQLCMFQC","Add placeholder std feature\n"],["45AUHCDJX5A54AYFMJRGDHKMBQ3WYBIPAVPDPY7TCLK5WN5TSROQC","Move backtrace capture to backtrace module and macro\n"]],"deps":["VSLQNAQBAGOJC2IV55V3W755UIPN47J4RTCCLCABRFFFUU5LT2JQC","XPE6XANXV2TTPCF7BO5RNYGAZVHA3OKDFETBOWVGG7TVRCLRKAEQC"],"known":["CITEDKPB6MKVZUEYEDE5ZKTNVY35HCOAXKDPYG7YLLEOVFNMSRXQC","MCPTFJMN333Z2GVL5J2KPLR6BJ3TAZKUGFORXNZ4YZBRXVQLCMFQC","RIKD63GT7RFV3UAV4BYD57GFXKXALWUP6J7AAHB3M6JVAZ3WFTXAC","AOQSHDBY3FLBJBFEIJQDYHGQOBECTYRN3KPWJWQMCVWDTB6L2IRQC","C4Z57UJSN5U4LZSPXMQ22QOG4C6JG4CIROPT42SI6KBQQ7T32WQQC","F5QLL7RNKWB6DNLUZ7VKGTTYDVCH37YGR26SHZBIVAR37JJMQTXQC","YNTEYSW7NVBWQLJU45XRK7AWQR5NWFOB4UUVVQ62ERZOO2QJJGAAC"]},"hunks":[{"Edit":{"inode":{"change":3,"pos":11},"path":"src/chain.rs","line":1,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":11}],"down_context":[{"change":3,"pos":12}],"flag":"BLOCK","start":0,"end":42,"inode":{"change":3,"pos":11}}},"contents":[{"Add":"use self::ChainState::{Buffered, Linked};"}]}},{"Edit":{"inode":{"change":3,"pos":11},"path":"src/chain.rs","line":4,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":65}],"down_context":[{"change":3,"pos":65}],"flag":"BLOCK","start":43,"end":57,"inode":{"change":3,"pos":11}}},"contents":[{"Add":"use std::vec;"}]}},{"Edit":{"inode":{"change":3,"pos":11},"path":"src/chain.rs","line":6,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":66}],"down_context":[{"change":3,"pos":66}],"flag":"BLOCK","start":58,"end":264,"inode":{"change":3,"pos":11}}},"contents":[{"Add":"#[derive(Clone)]"},{"Add":"pub(crate) enum ChainState<'a> {"},{"Add":" Linked {"},{"Add":" next: Option<&'a (dyn StdError + 'static)>,"},{"Add":" },"},{"Add":" Buffered {"},{"Add":" rest: vec::IntoIter<&'a (dyn StdError + 'static)>,"},{"Add":" },"},{"Add":"}"},{"Add":""}]}},{"Replacement":{"inode":{"change":3,"pos":11},"path":"src/chain.rs","line":20,"ins":{"up_context":[{"change":3,"pos":194}],"down_context":[{"change":3,"pos":279}],"flag":"BLOCK","start":265,"end":506,"inode":{"change":3,"pos":11}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":194},"to":{"change":3,"start":194,"end":279},"introduced_by":3}],"inode":{"change":3,"pos":11}},"ins_contents":[{"Add":" match &mut self.state {"},{"Add":" Linked { next } => {"},{"Add":" let error = (*next)?;"},{"Add":" *next = error.source();"},{"Add":" Some(error)"},{"Add":" }"},{"Add":" Buffered { rest } => rest.next(),"},{"Add":" }"}],"del_contents":[{"Del":" let next = self.next?;\n self.next = next.source();\n Some(next)\n"}]}},{"Edit":{"inode":{"change":3,"pos":11},"path":"src/chain.rs","line":30,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":287}],"down_context":[],"flag":"BLOCK","start":507,"end":1105,"inode":{"change":3,"pos":11}}},"contents":[{"Add":""},{"Add":"impl DoubleEndedIterator for Chain<'_> {"},{"Add":" fn next_back(&mut self) -> Option {"},{"Add":" match &mut self.state {"},{"Add":" Linked { mut next } => {"},{"Add":" let mut rest = Vec::new();"},{"Add":" while let Some(cause) = next {"},{"Add":" next = cause.source();"},{"Add":" rest.push(cause);"},{"Add":" }"},{"Add":" let mut rest = rest.into_iter();"},{"Add":" let last = rest.next_back();"},{"Add":" self.state = Buffered { rest };"},{"Add":" last"},{"Add":" }"},{"Add":" Buffered { rest } => rest.next_back(),"},{"Add":" }"},{"Add":" }"},{"Add":"}"}]}},{"Edit":{"inode":{"change":4,"pos":3238},"path":"src/error.rs","line":2,"atom":{"NewVertex":{"up_context":[{"change":12,"pos":346}],"down_context":[{"change":2,"pos":0}],"flag":"BLOCK","start":1106,"end":1136,"inode":{"change":4,"pos":3238}}},"contents":[{"Add":"use crate::chain::ChainState;"}]}},{"Replacement":{"inode":{"change":4,"pos":3238},"path":"src/error.rs","line":677,"ins":{"up_context":[{"change":4,"pos":957}],"down_context":[{"change":4,"pos":995}],"flag":"BLOCK","start":1137,"end":1234,"inode":{"change":4,"pos":3238}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":957},"to":{"change":4,"start":957,"end":995},"introduced_by":4}],"inode":{"change":4,"pos":3238}},"ins_contents":[{"Add":" state: ChainState::Linked {"},{"Add":" next: Some(self.error()),"},{"Add":" },"}],"del_contents":[{"Del":" next: Some(self.error()),\n"}]}},{"Edit":{"inode":{"change":4,"pos":11888},"path":"src/lib.rs","line":182,"atom":{"NewVertex":{"up_context":[{"change":4,"pos":127}],"down_context":[{"change":2,"pos":62}],"flag":"BLOCK","start":1235,"end":1265,"inode":{"change":4,"pos":11888}}},"contents":[{"Add":"use crate::chain::ChainState;"}]}},{"Edit":{"inode":{"change":4,"pos":11888},"path":"src/lib.rs","line":184,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":2,"pos":91},"to":{"change":2,"start":91,"end":126},"introduced_by":2}],"inode":{"change":4,"pos":11888}}},"contents":[{"Del":"use std::error::Error as StdError;\n"}]}},{"Replacement":{"inode":{"change":4,"pos":11888},"path":"src/lib.rs","line":306,"ins":{"up_context":[{"change":2,"pos":1164}],"down_context":[{"change":2,"pos":1212}],"flag":"BLOCK","start":1266,"end":1293,"inode":{"change":4,"pos":11888}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":2,"pos":1164},"to":{"change":2,"start":1164,"end":1212},"introduced_by":2}],"inode":{"change":4,"pos":11888}},"ins_contents":[{"Add":" state: ChainState<'a>,"}],"del_contents":[{"Del":" next: Option<&'a (dyn StdError + 'static)>,\n"}]}}],"owner":"yaahc","repo":"eyre","token":"oumnf2db+FOzwPcmjGDHOr6SVFbf6yu/+WI+Akqbz/4=","login":null}

…

Dependencies

Change contents