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7f4fb34182
It is better developing vmctl tool in VictoriaMetrics repository, so it could be released together with the rest of vmutils tools such as vmalert, vmagent, vmbackup, vmrestore and vmauth.
38 lines
1.4 KiB
Go
38 lines
1.4 KiB
Go
// +build go1.13
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package errors
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import (
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stderrors "errors"
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)
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// Is reports whether any error in err's chain matches target.
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//
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// The chain consists of err itself followed by the sequence of errors obtained by
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// repeatedly calling Unwrap.
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//
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// An error is considered to match a target if it is equal to that target or if
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// it implements a method Is(error) bool such that Is(target) returns true.
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func Is(err, target error) bool { return stderrors.Is(err, target) }
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// As finds the first error in err's chain that matches target, and if so, sets
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// target to that error value and returns true.
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//
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// The chain consists of err itself followed by the sequence of errors obtained by
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// repeatedly calling Unwrap.
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//
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// An error matches target if the error's concrete value is assignable to the value
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// pointed to by target, or if the error has a method As(interface{}) bool such that
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// As(target) returns true. In the latter case, the As method is responsible for
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// setting target.
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//
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// As will panic if target is not a non-nil pointer to either a type that implements
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// error, or to any interface type. As returns false if err is nil.
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func As(err error, target interface{}) bool { return stderrors.As(err, target) }
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// Unwrap returns the result of calling the Unwrap method on err, if err's
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// type contains an Unwrap method returning error.
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// Otherwise, Unwrap returns nil.
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func Unwrap(err error) error {
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return stderrors.Unwrap(err)
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}
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