error-chain

• std::error::Error::cause deprecation update
• Macro invocations use 2018 style

Merge pull request #258 from AndyGauge/release-0.12.0

Release Candidate 0.12.1

• Change last rust version supported to 1.14
• Cache whether RUST_BACKTRACE is enabled in a relaxed atomic static.
• Mask the quick_error macro from the doc
• Make generated ErrorKind enums non-exhaustive
• All 0.11.0-rc.2 changes

• Make ErrorChainIter's field private
• Rename ErrorChainIter to Iter
• Implement Debug for ErrorChainIter
• Rename ChainedError::display to display_chain
• Add a new method for Error: chain_err.
• Allow chain_err to be used on Option<T>
• Add support for creating an error chain on boxed trait errors (Box<Error>)
• Remove lint for unused doc comment.
• Hide error_chain_processed macro from documentation.

(cargo-release) version 0.10.0

(cargo-release) version 0.9.0

(cargo-release) version 0.8.1

(cargo-release) version 0.8.0

• Add quick_main! (#88).
• allow(unused) for the Result wrapper.
• Minimum rust version supported is now 1.10 on some conditions (#103).

• Add the bail! macro

• Rollback several design changes to fix regressions
• New Variant(Error) #[attrs] for links and foreign_links.
• Hide implementation details from the doc.
• Always generate Error::backtrace.

• Allow dead code.

• Fix wrong trait constraint in ResultExt implementation (#66).

• Conditional compilation for error variants.
• Backtrace generation is now a feature.
• More standard trait implementations for extra convenience.
• Remove ChainErr.
• Remove need to specify ErrorKind in links {}.
• Add ResultExt trait.
• Error.1 is a struct instead of a tuple.
• Error is now a struct.
• The declarations order is more flexible.
• Way better error reporting when there is a syntax error in the macro call.
• Result generation can be disabled.
• At most one declaration of each type can be present.

• Only generate backtraces with RUST_BACKTRACE set
• Fixup matching, disallow repeating "types" section
• Fix tests on stable/beta
• Only deploy docs when tagged

Contributors: benaryorg, Brian Anderson, Georg Brandl

• Fix the resolution of the ErrorKind description method

Contributors: Brian Anderson

• Fix a problem with resolving methods of the standard Error type

Contributors: Brian Anderson

• Remove the foreign link description and forward to the foreign error
• Allow missing sections

Contributors: Brian Anderson, Taylor Cramer

• Forward Display implementation for foreign errors

Contributors: Brian Anderson, Taylor Cramer

• Don't require types section in macro invocation
• Add "quick start" to README

Contributors: Brian Anderson, Jake Shadle, Nate Mara