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RELEASES.md

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Version 0.1.6

  • Update syn, quote, and proc_macro2 dependencies to 1.0.
  • Bump MSRV to 1.31.0.

Version 0.1.5

  • Resolve a regression with error conversions (#290)
  • Added name() to Fail and Error

Version 0.1.4

  • Improved error reporting of the derive feature
  • Resolved a potential internal ambiguity when using the backtrace feature that prevented backtrace from improving an upstream API.
  • Changed the bounds on std error compat conversions through the From trait to take Sync and Send into account.

Version 0.1.3

  • Added Context::map
  • Fixed a memory leak for older rust versions on error downcast

Version 0.1.2

The original plan to release 1.0.0 was changed so that version 0.1.1 is released and a related RFC to fix the error trait is submitted. See README for details.

  • Fix failure_derive to work with Rust 2018.
  • Add #[fail(cause)] that works similarly with #[cause]. The new form is preferred.
  • Fix "backtrace" feature to work without "std" feature.
  • Add Compat::get_ref.
  • Add Fallible.
  • Deprecate Fail::causes and <dyn Fail>::causes in favor of newly added <dyn Fail>::iter_causes.
  • Deprecate Fail::root_cause and <dyn Fail>::root_cause in favor of newly added <dyn Fail>::find_root_cause.
  • Add <dyn Fail>::iter_chain.
  • Implement Box<Fail>: Fail.
  • Add Error::from_boxed_compat.
  • Deprecate Error::cause in favor of newly added Error::as_fail.
  • Deprecate Error::causes in favor of newly added Error::iter_chain.
  • Deprecate Error::root_cause in favor of newly added Error::find_root_cause.
  • Add Error::iter_causes.
  • Implement Error: AsRef<Fail>.
  • Fix Debug implementation of SyncFailure.

Version 0.1.1

  • Add a Causes iterator, which iterates over the causes of a failure. Can be accessed through the Fail::causes or Error::causes methods.
  • Add the bail! macro, which "throws" from the function.
  • Add the ensure! macro, which is like an "assert" which throws instead of panicking.
  • The derive now supports a no_std mode.
  • The derive is re-exported from failure by default, so that users do not have to directly depend on failure_derive.
  • Add a impl of From<D> for Context<D>, allowing users to ? the D type to produce a Context<D> (for cases where there is no further underlying error).

Version 0.1.0

  • Initial version.