package errors import ( "errors" "fmt" ) var ( // Is is an alias of the standard errors.Is function. Is = errors.Is // As is an alias of the standard errors.As function. As = errors.As // New is an alias of the standard errors.New function. New = errors.New // Unwrap is an alias of the standard errors.Unwrap function. Unwrap = errors.Unwrap // Join is an alias of the standard errors.Join function. Join = errors.Join ) func sprintf(format string, args ...interface{}) string { if len(args) > 0 { return fmt.Sprintf(format, args...) } return format }