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30 lines
884 B
Go
30 lines
884 B
Go
package errutil
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import (
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"fmt"
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"golang.org/x/xerrors"
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)
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// Wrap is a simple wrapper around Errorf that is doing error wrapping. You can read how that works in
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// https://godoc.org/golang.org/x/xerrors#Errorf but its API is very implicit which is a reason for this wrapper.
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// There is also a discussion (https://github.com/golang/go/issues/29934) where many comments make arguments for such
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// wrapper so hopefully it will be added in the standard lib later.
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func Wrap(message string, err error) error {
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if err == nil {
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return nil
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}
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return xerrors.Errorf("%v: %w", message, err)
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}
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// Wrapf is a simple wrapper around Errorf that is doing error wrapping
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// Wrapf allows you to send a format and args instead of just a message.
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func Wrapf(err error, message string, a ...interface{}) error {
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if err == nil {
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return nil
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}
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return Wrap(fmt.Sprintf(message, a...), err)
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}
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