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Code Issues Releases Activity

Add ErrorHandlerFunc to simplify creating ErrorHandlers (#2149)

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* Add ErrorHandlerFunc to simplify creating ErrorHandlers

* Add CHANGELOG entry

* Apply suggestions from code review

Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>

* Add interface assertion

Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
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Koenraad Verheyden 2021-08-04 00:15:54 +02:00 committed by GitHub
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commit 21d4686f4f
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2
CHANGELOG.md
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@ -10,6 +10,8 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
### Added
- Added `ErrorHandlerFunc` to use a function as an `"go.opentelemetry.io/otel".ErrorHandler`. (#2149)
### Changed
### Deprecated

11
error_handler.go
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@ -25,3 +25,14 @@ type ErrorHandler interface {
// DO NOT CHANGE: any modification will not be backwards compatible and
// must never be done outside of a new major release.
}
// ErrorHandlerFunc is a convenience adapter to allow the use of a function
// as an ErrorHandler.
type ErrorHandlerFunc func(error)
var _ ErrorHandler = ErrorHandlerFunc(nil)
// Handle handles the irremediable error by calling the ErrorHandlerFunc itself.
func (f ErrorHandlerFunc) Handle(err error) {
f(err)
}