38 lines
727 B
Go
38 lines
727 B
Go
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package version
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import "fmt"
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// Error represents a version error.
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type Error struct {
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Message string
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Version string
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}
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// Version error.
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var (
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ErrInvalidVersion = Error{Message: "invalid version %q"}
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)
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// Error retrieves the message of a REST API error.
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func (e Error) Error() string {
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return fmt.Sprintf(e.Message, e.Version)
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}
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// Is determines whether the Error is an instance of the target.
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// https://pkg.go.dev/errors#Is
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//
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// This implementation does not compare versions.
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func (e Error) Is(target error) bool {
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if t, ok := target.(Error); ok {
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return t.Message == e.Message
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}
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return false
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}
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func invalid(version string) Error {
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return Error{
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Message: ErrInvalidVersion.Message,
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Version: version,
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}
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}
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