Code returns the code of the actual error without trying to unwrap it, or -1.

Codes returns a list of wrapped codes.

FirstCode walks the passed error and returns the code of the first ErrCode met, or -1.

Has returns true if one of the error is or contains (wraps) an expected errcode.

Is returns true if the top-level error (not the FirstCode) is actually an ErrCode of the same value.

LastCode walks the passed error and returns the code of the latest ErrCode, or -1.

ErrInternal indicates an unknown error (without Code), i.e.

ErrNotImplemented indicates that a method is not implemented yet.

TODO indicates that you plan to create an error later.

Undefined is the default value.

Enum value maps for ErrCode.

Enum value maps for ErrCode.

WithCode defines an error that can be used by helpers of this package.

The ErrCode enum defines errors for gRPC API functions.