{"header":{"message":"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","description":null,"timestamp":"2019-10-21T18:14:31Z","authors":[{"email":"dtolnay@gmail.com","name":"David Tolnay"}]},"hash":"AOQSHDBY3FLBJBFEIJQDYHGQOBECTYRN3KPWJWQMCVWDTB6L2IRQC","authors":[],"deps":{"hashes":[["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"],["AA",null],["MCPTFJMN333Z2GVL5J2KPLR6BJ3TAZKUGFORXNZ4YZBRXVQLCMFQC","Add placeholder std feature\n"],["E54DU5UDWVAFMQOBDWIAXWUHXMPMZMWJI6RS7BHD74KULPP6AJRQC","Omit '0:' if only one cause\n"],["ZWBKKVT5TX2CSMBVEYZMQ6DLCXVHSD7SWFEKXWK6XKD6RP24MJJAC","Consolidate to one Context impl for Result to improve inference\n"],["KCOCFOS6KMCTVS6K3WE6KOQSWC3QNWN2E36ASHQPP3Z3H4BHR3NQC","Support context on Option\n"],["UZFAWKZ7DHFYNB3MKHLZXPKWPEPOC5YF4E6SHKEJG25NBW2XXLRQC","Rename exception module to error\n"],["3LI5FAF5ULXOWBMTG4XCUOMUPVROSFDY6FWGE574OH4JGPMOPNVAC","Import std::error::Error as StdError\n\nTo avoid name collisions when renaming Exception to Error.\n"],["RD65M7RC2QYSEEW6JJGAPGB4XB6MCXKMDNHA3EU3WECBOUYNLDVQC","Rename as_error to as_dyn_error\n"],["BQU6MTEH6QEW5E2HX3F2AAZ54AHIVDVOEE7FTCQTPLO23U5ILFIQC","Rename Errors to Chain\n"],["HOS2BSUNIFIVU7LKP4BKXCMUJUIOPZYEIPHPFFX4EIIJMMIUWRCQC","Remove AsDynError trait\n"],["CITEDKPB6MKVZUEYEDE5ZKTNVY35HCOAXKDPYG7YLLEOVFNMSRXQC","Import implementation from fehler 1.0.0-alpha.1\n"],["KOSCTMZC6VWQ5WST25FPATUAFCYG3JZGG3LF6MXSS42GPGHLDREQC","Seal the Context trait\n"],["UM7DFUYLW4HSMBUDZY3R6ZNJRSX2E75C4DYV3MJAU57EUCGE6JLAC","Rename Exception to Error\n"],["ZDN7BJ3JA3VL4AYWX3SV24GHP6NCAETJVAKAXKMIZTLHTWLUNMOQC","Detect nightly and only expose backtrace if available\n"],["GZZOJ7ZUSBPI3HXIV5UCFNMCDAMZPPLISY2UDV73FDN74HZ3AWJAC","Format with rustfmt 2019-09-08\n"],["EXRAFG37562NH775A4LDPP5FNKXLPLIZSJ3FCOBINUDKRFBJHCXAC","Move trait bounds to where-clauses\n\nI find it more readable how this appears in rustdoc.\n"],["AP4JEVKMUJFBWFSOOSAYM3WHYPVNGQW2IMIQX3XXDER4OV4MYIIAC","Remove &E argument from with_context signature\n"],["PKQO3KS575PJOJMYKDOJFKWIXMXDUOMPKDFIG5PMFABXU4CYEOLQC","Document Context trait with example\n"],["RTVLSOCCLZMZRJZXRIX5RHJMAFJO4XK573NXTBZVBEJSUBJPY5ZQC","Accept trailing comma in macros\n"],["KQXMNV3RMRPSJCQVW4I2HSCFJQ6ZDRLNMJOTQI4MODB6UYA3ONQQC","Make new_adhoc unambiguously private\n"]],"deps":["MCPTFJMN333Z2GVL5J2KPLR6BJ3TAZKUGFORXNZ4YZBRXVQLCMFQC","E54DU5UDWVAFMQOBDWIAXWUHXMPMZMWJI6RS7BHD74KULPP6AJRQC","ZWBKKVT5TX2CSMBVEYZMQ6DLCXVHSD7SWFEKXWK6XKD6RP24MJJAC"],"known":["CITEDKPB6MKVZUEYEDE5ZKTNVY35HCOAXKDPYG7YLLEOVFNMSRXQC","GZZOJ7ZUSBPI3HXIV5UCFNMCDAMZPPLISY2UDV73FDN74HZ3AWJAC","UZFAWKZ7DHFYNB3MKHLZXPKWPEPOC5YF4E6SHKEJG25NBW2XXLRQC","3LI5FAF5ULXOWBMTG4XCUOMUPVROSFDY6FWGE574OH4JGPMOPNVAC","UM7DFUYLW4HSMBUDZY3R6ZNJRSX2E75C4DYV3MJAU57EUCGE6JLAC","EXRAFG37562NH775A4LDPP5FNKXLPLIZSJ3FCOBINUDKRFBJHCXAC","RD65M7RC2QYSEEW6JJGAPGB4XB6MCXKMDNHA3EU3WECBOUYNLDVQC","AP4JEVKMUJFBWFSOOSAYM3WHYPVNGQW2IMIQX3XXDER4OV4MYIIAC","BQU6MTEH6QEW5E2HX3F2AAZ54AHIVDVOEE7FTCQTPLO23U5ILFIQC","HOS2BSUNIFIVU7LKP4BKXCMUJUIOPZYEIPHPFFX4EIIJMMIUWRCQC","ZDN7BJ3JA3VL4AYWX3SV24GHP6NCAETJVAKAXKMIZTLHTWLUNMOQC","PKQO3KS575PJOJMYKDOJFKWIXMXDUOMPKDFIG5PMFABXU4CYEOLQC","KCOCFOS6KMCTVS6K3WE6KOQSWC3QNWN2E36ASHQPP3Z3H4BHR3NQC","KOSCTMZC6VWQ5WST25FPATUAFCYG3JZGG3LF6MXSS42GPGHLDREQC"]},"hunks":[{"Replacement":{"inode":{"change":5,"pos":642},"path":"src/context.rs","line":1,"ins":{"up_context":[{"change":5,"pos":642}],"down_context":[{"change":5,"pos":20}],"flag":"BLOCK","start":0,"end":29,"inode":{"change":5,"pos":642}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":642},"to":{"change":5,"start":837,"end":855},"introduced_by":5}],"inode":{"change":5,"pos":642}},"ins_contents":[{"Add":"use crate::{Context, Error};"}],"del_contents":[{"Del":"use crate::Error;\n"}]}},{"Edit":{"inode":{"change":5,"pos":642},"path":"src/context.rs","line":9,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":759},"to":{"change":5,"start":759,"end":807},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":807},"to":{"change":5,"start":0,"end":90},"introduced_by":5},{"previous":"","flag":"DELETED","from":{"change":5,"pos":90},"to":{"change":5,"start":0,"end":986},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":807},"to":{"change":5,"start":0,"end":986},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | 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DELETED","from":{"change":5,"pos":887},"to":{"change":5,"start":72,"end":182},"introduced_by":5},{"previous":"","flag":"DELETED","from":{"change":5,"pos":154},"to":{"change":5,"start":981,"end":982},"introduced_by":5},{"previous":"","flag":"DELETED","from":{"change":5,"pos":182},"to":{"change":5,"start":981,"end":982},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":981},"to":{"change":5,"start":981,"end":982},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":982},"to":{"change":5,"start":1045,"end":1162},"introduced_by":5},{"previous":"","flag":"DELETED","from":{"change":5,"pos":1162},"to":{"change":5,"start":155,"end":213},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | 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DELETED","from":{"change":5,"pos":1183},"to":{"change":5,"start":1183,"end":1186},"introduced_by":5}],"inode":{"change":5,"pos":642}}},"contents":[{"Del":"/// Provides the `context` method for `Result`.\n"},{"Del":"///\n/// This trait is sealed and cannot be implemented for types outside of\n/// `anyhow`.\n"},{"Del":"///\n/// # Example\n///\n/// ```\n/// use anyhow::{Context, Result};\n/// use std::fs;\n/// use std::path::PathBuf;\n///\n/// pub struct ImportantThing {\n/// path: PathBuf,\n/// }\n///\n/// impl ImportantThing {\n/// # const IGNORE: &'static str = stringify! {\n/// pub fn detach(&mut self) -> Result<()> {...}\n/// # };\n/// # fn detach(&mut self) -> Result<()> {\n/// # unimplemented!()\n/// # }\n/// }\n///\n/// pub fn do_it(mut it: ImportantThing) -> Result> {\n/// it.detach().context(\"failed to detach the important thing\")?;\n///\n/// let path = &it.path;\n/// let content = fs::read(path)\n/// .with_context(|| format!(\"failed to read instrs from {}\", path.display()))?;\n///\n/// Ok(content)\n/// }\n/// ```\n///\n/// When printed, the outermost context would be printed first and the lower\n/// level underlying causes would be enumerated below.\n///\n/// ```console\n/// Error: failed to read instrs from ./path/to/instrs.jsox\n///\n/// caused by:\n"},{"Del":"/// No such file or directory (os error 2)\n"},{"Del":"/// ```\n"},{"Del":"pub trait Context: private::Sealed {\n"},{"Del":" /// Wrap the error value with additional context.\n"},{"Del":" fn context(self, context: C) -> Result\n where\n C: Display + Send + Sync + 'static;\n"},{"Del":"\n"},{"Del":" /// Wrap the error value with additional context that is evaluated lazily\n /// only once an error does occur.\n"},{"Del":" fn with_context(self, f: F) -> Result\n"},{"Del":" where\n"},{"Del":" C: Display + Send + Sync + 'static,\n"},{"Del":" F: FnOnce() -> C;\n"},{"Del":"}\n\n"}]}},{"Replacement":{"inode":{"change":5,"pos":642},"path":"src/context.rs","line":153,"ins":{"up_context":[{"change":5,"pos":138}],"down_context":[{"change":4,"pos":866}],"flag":"BLOCK","start":30,"end":55,"inode":{"change":5,"pos":642}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":138},"to":{"change":5,"start":138,"end":152},"introduced_by":5}],"inode":{"change":5,"pos":642}},"ins_contents":[{"Add":"pub(crate) mod private {"}],"del_contents":[{"Del":"mod private {\n"}]}},{"Replacement":{"inode":{"change":5,"pos":11888},"path":"src/lib.rs","line":186,"ins":{"up_context":[{"change":2,"pos":127}],"down_context":[{"change":5,"pos":368}],"flag":"BLOCK","start":56,"end":80,"inode":{"change":5,"pos":11888}},"del":{"edges":[{"previous":"","flag":"DELETED","from":{"change":5,"pos":718},"to":{"change":5,"start":12820,"end":12853},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | 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}"},{"Add":"///"},{"Add":"/// impl ImportantThing {"},{"Add":"/// # const IGNORE: &'static str = stringify! {"},{"Add":"/// pub fn detach(&mut self) -> Result<()> {...}"},{"Add":"/// # };"},{"Add":"/// # fn detach(&mut self) -> Result<()> {"},{"Add":"/// # unimplemented!()"},{"Add":"/// # }"},{"Add":"/// }"},{"Add":"///"},{"Add":"/// pub fn do_it(mut it: ImportantThing) -> Result> {"},{"Add":"/// it.detach().context(\"failed to detach the important thing\")?;"},{"Add":"///"},{"Add":"/// let path = &it.path;"},{"Add":"/// let content = fs::read(path)"},{"Add":"/// .with_context(|| format!(\"failed to read instrs from {}\", path.display()))?;"},{"Add":"///"},{"Add":"/// Ok(content)"},{"Add":"/// }"},{"Add":"/// ```"},{"Add":"///"},{"Add":"/// When printed, the outermost context would be printed first and the lower"},{"Add":"/// level underlying causes would be enumerated below."},{"Add":"///"},{"Add":"/// ```console"},{"Add":"/// Error: failed to read instrs from ./path/to/instrs.jsox"},{"Add":"///"},{"Add":"/// caused by:"},{"Add":"/// No such file or directory (os error 2)"},{"Add":"/// ```"},{"Add":"pub trait Context: context::private::Sealed {"},{"Add":" /// Wrap the error value with additional context."},{"Add":" fn context(self, context: C) -> Result"},{"Add":" where"},{"Add":" C: Display + Send + Sync + 'static;"},{"Add":""},{"Add":" /// Wrap the error value with additional context that is evaluated lazily"},{"Add":" /// only once an error does occur."},{"Add":" fn with_context(self, f: F) -> Result"},{"Add":" where"},{"Add":" C: Display + Send + Sync + 'static,"},{"Add":" F: FnOnce() -> C;"}]}}],"owner":"yaahc","repo":"eyre","token":"bbUtIAgbK0T1+hLkrNPpjT9FSXQG4Hzush8gRJ7jAWQ=","login":null}

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