New 生成简单对象.

NewErrorCode get a new error code.

NewErrors 生成错误数据对象.

Newf 生成简单对象.

OptionCode set error code into options.

OptionContext set error context into options.

OptionErrs append errs.

OptionID set id into options.

OptionMesssage set error message into options.

OptionNamespace set error code into options.

TN returns a new error code template.

Error error define.

ErrorCodeTmpl error code template.

ErrorOptions error parmas.

ErrorCode Error functions.

SimpleError simple error functions.

ErrorContext map contexts.

Errors error slice.

OptionFunc set params.

Params template params.