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44 lines
761 B
Go
44 lines
761 B
Go
package client
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import "fmt"
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// Error 客户端错误
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type Error struct {
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Message string
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Cause error
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}
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// NewError 创建新错误
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func NewError(message string) error {
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return &Error{
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Message: message,
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}
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}
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// NewErrorf 创建格式化错误
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func NewErrorf(format string, args ...interface{}) error {
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return &Error{
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Message: fmt.Sprintf(format, args...),
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}
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}
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// WithCause 设置原因（返回错误本身以支持链式调用）
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func (e *Error) WithCause(cause error) *Error {
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e.Cause = cause
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return e
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}
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// Error 实现error接口
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func (e *Error) Error() string {
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if e.Cause != nil {
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return fmt.Sprintf("%s: %v", e.Message, e.Cause)
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}
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return e.Message
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}
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// Unwrap 实现errors.Unwrap
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func (e *Error) Unwrap() error {
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return e.Cause
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}
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