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Add support for error aggregation for request/response validation (#259)
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Original file line number | Diff line number | Diff line change |
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package openapi3 | ||
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import ( | ||
"bytes" | ||
"errors" | ||
) | ||
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// MultiError is a collection of errors, intended for when | ||
// multiple issues need to be reported upstream | ||
type MultiError []error | ||
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func (me MultiError) Error() string { | ||
buff := &bytes.Buffer{} | ||
for _, e := range me { | ||
buff.WriteString(e.Error()) | ||
buff.WriteString(" | ") | ||
} | ||
return buff.String() | ||
} | ||
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//Is allows you to determine if a generic error is in fact a MultiError using `errors.Is()` | ||
//It will also return true if any of the contained errors match target | ||
func (me MultiError) Is(target error) bool { | ||
if _, ok := target.(MultiError); ok { | ||
return true | ||
} | ||
for _, e := range me { | ||
if errors.Is(e, target) { | ||
return true | ||
} | ||
} | ||
return false | ||
} | ||
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//As allows you to use `errors.As()` to set target to the first error within the multi error that matches the target type | ||
func (me MultiError) As(target interface{}) bool { | ||
for _, e := range me { | ||
if errors.As(e, target) { | ||
return true | ||
} | ||
} | ||
return false | ||
} |
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