{"header":{"message":"Support context on Option\n","description":null,"timestamp":"2019-10-08T08:24:18Z","authors":[{"email":"dtolnay@gmail.com","name":"David Tolnay"}]},"hash":"KCOCFOS6KMCTVS6K3WE6KOQSWC3QNWN2E36ASHQPP3Z3H4BHR3NQC","authors":[],"deps":{"hashes":[["KCOCFOS6KMCTVS6K3WE6KOQSWC3QNWN2E36ASHQPP3Z3H4BHR3NQC","Support context on Option\n"],["AA",null],["GREPEM32FUEZFD5PNO5RLCGA6DJBFBFXZR4IQ6RQN6YRQ4QMBEHAC","Raise minimum supported rustc version to 1.32\n\nFor the $(...)? specifier in macros.\n"],["LX7EZ6TKJCQI3K7SV56WMTPFY672WN5UOBGXKKXQI7S73GMWNNXAC","Change Error::construct to unsafe fn because TypeId must be correct\n"],["5JPOXYSROPEEERSG5D4XCBZTB6YBJRC767UCQOOD4KS72R56O7AAC","Test on older compilers in Travis\n"],["P74ZROEVCWORKPSBYDCNPSSZFTI7AXJAHWNFOMWFWNSE7OMYNUBAC","Set up Travis build\n"],["CITEDKPB6MKVZUEYEDE5ZKTNVY35HCOAXKDPYG7YLLEOVFNMSRXQC","Import implementation from fehler 1.0.0-alpha.1\n"],["ZDN7BJ3JA3VL4AYWX3SV24GHP6NCAETJVAKAXKMIZTLHTWLUNMOQC","Detect nightly and only expose backtrace if available\n"],["3LI5FAF5ULXOWBMTG4XCUOMUPVROSFDY6FWGE574OH4JGPMOPNVAC","Import std::error::Error as StdError\n\nTo avoid name collisions when renaming Exception to Error.\n"],["RQSDP2B2OVRFRJ33OZCVB4TYCQMSR3JZYG7FNA6TQ3HFABTGOGMQC","Add context method to Error\n"],["UR5XDZ3SS7QXSUFAYQDYUXX4QDROIYVXUH3Z24F6PAWJDNODAZYAC","Rename InnerException to ErrorImpl\n"]],"deps":["GREPEM32FUEZFD5PNO5RLCGA6DJBFBFXZR4IQ6RQN6YRQ4QMBEHAC","LX7EZ6TKJCQI3K7SV56WMTPFY672WN5UOBGXKKXQI7S73GMWNNXAC"],"known":["P74ZROEVCWORKPSBYDCNPSSZFTI7AXJAHWNFOMWFWNSE7OMYNUBAC","5JPOXYSROPEEERSG5D4XCBZTB6YBJRC767UCQOOD4KS72R56O7AAC"]},"hunks":[{"Replacement":{"inode":{"change":4,"pos":14},"path":".travis.yml","line":12,"ins":{"up_context":[{"change":4,"pos":61}],"down_context":[{"change":4,"pos":80}],"flag":"BLOCK","start":0,"end":19,"inode":{"change":4,"pos":14}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":61},"to":{"change":2,"start":0,"end":19},"introduced_by":2}],"inode":{"change":4,"pos":14}},"ins_contents":[{"Add":" - rust: 1.34.0"}],"del_contents":[{"Del":" - rust: 1.32.0\n"}]}},{"Edit":{"inode":{"change":7,"pos":642},"path":"src/context.rs","line":2,"atom":{"NewVertex":{"up_context":[{"change":8,"pos":855}],"down_context":[{"change":9,"pos":425}],"flag":"BLOCK","start":20,"end":50,"inode":{"change":7,"pos":642}}},"contents":[{"Add":"use std::convert::Infallible;"}]}},{"Edit":{"inode":{"change":7,"pos":642},"path":"src/context.rs","line":104,"atom":{"NewVertex":{"up_context":[{"change":10,"pos":276}],"down_context":[{"change":7,"pos":2167}],"flag":"BLOCK","start":51,"end":701,"inode":{"change":7,"pos":642}}},"contents":[{"Add":" }"},{"Add":"}"},{"Add":""},{"Add":"/// ```"},{"Add":"/// # type T = ();"},{"Add":"/// #"},{"Add":"/// use anyhow::{Context, Result};"},{"Add":"///"},{"Add":"/// fn maybe_get() -> Option {"},{"Add":"/// # const IGNORE: &str = stringify! {"},{"Add":"/// ..."},{"Add":"/// # };"},{"Add":"/// # unimplemented!()"},{"Add":"/// }"},{"Add":"///"},{"Add":"/// fn demo() -> Result<()> {"},{"Add":"/// let t = maybe_get().context(\"there is no T\")?;"},{"Add":"/// # const IGNORE: &str = stringify! {"},{"Add":"/// ..."},{"Add":"/// # };"},{"Add":"/// # unimplemented!()"},{"Add":"/// }"},{"Add":"/// ```"},{"Add":"impl Context for Option {"},{"Add":" fn context(self, context: C) -> Result"},{"Add":" where"},{"Add":" C: Display + Send + Sync + 'static,"},{"Add":" {"},{"Add":" self.ok_or_else(|| Error::from_display(context, backtrace!()))"}]}},{"Edit":{"inode":{"change":7,"pos":642},"path":"src/context.rs","line":134,"atom":{"NewVertex":{"up_context":[{"change":7,"pos":2173}],"down_context":[{"change":7,"pos":2173}],"flag":"BLOCK","start":702,"end":932,"inode":{"change":7,"pos":642}}},"contents":[{"Add":""},{"Add":" fn with_context(self, context: F) -> Result"},{"Add":" where"},{"Add":" C: Display + Send + Sync + 'static,"},{"Add":" F: FnOnce() -> C,"},{"Add":" {"},{"Add":" self.ok_or_else(|| Error::from_display(context(), backtrace!()))"},{"Add":" }"}]}},{"Edit":{"inode":{"change":7,"pos":3238},"path":"src/error.rs","line":58,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":347}],"down_context":[{"change":3,"pos":347}],"flag":"BLOCK","start":933,"end":1360,"inode":{"change":7,"pos":3238}}},"contents":[{"Add":" // same layout as the typeid specifies."},{"Add":" unsafe { Error::construct(error, type_id, backtrace) }"},{"Add":" }"},{"Add":""},{"Add":" pub(crate) fn from_display(message: M, backtrace: Option) -> Self"},{"Add":" where"},{"Add":" M: Display + Send + Sync + 'static,"},{"Add":" {"},{"Add":" let error = DisplayError(message);"},{"Add":" let type_id = TypeId::of::();"},{"Add":""},{"Add":" // Safety: DisplayError is repr(transparent) so DisplayError has the"}]}},{"Edit":{"inode":{"change":7,"pos":3238},"path":"src/error.rs","line":439,"atom":{"NewVertex":{"up_context":[{"change":7,"pos":9952}],"down_context":[{"change":11,"pos":92}],"flag":"BLOCK","start":1361,"end":1798,"inode":{"change":7,"pos":3238}}},"contents":[{"Add":"#[repr(transparent)]"},{"Add":"struct DisplayError(M);"},{"Add":""},{"Add":"impl Debug for DisplayError"},{"Add":"where"},{"Add":" M: Display,"},{"Add":"{"},{"Add":" fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {"},{"Add":" Display::fmt(&self.0, f)"},{"Add":" }"},{"Add":"}"},{"Add":""},{"Add":"impl Display for DisplayError"},{"Add":"where"},{"Add":" M: Display,"},{"Add":"{"},{"Add":" fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {"},{"Add":" Display::fmt(&self.0, f)"},{"Add":" }"},{"Add":"}"},{"Add":""},{"Add":"impl StdError for DisplayError where M: Display + 'static {}"},{"Add":""}]}}],"owner":"yaahc","repo":"eyre","token":"UZOEgCXHR9jg2j2OGEP6usskMq3ciFxeBycSN1qo//E=","login":null}

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