move all error things to new qerr package, replacing errorcodes

protocol/quic_error.go

@@ -1,27 +0,0 @@
-package protocol
-
-import (
-	"fmt"
-
-	"github.com/lucas-clemente/quic-go/errorcodes"
-)
-
-// A QuicError is a QUIC error
-type QuicError struct {
-	ErrorCode    errorcodes.ErrorCode
-	ErrorMessage string
-}
-
-// Error creates a new Quic Error
-func Error(errorCode errorcodes.ErrorCode, errorMessage string) *QuicError {
-	return &QuicError{
-		ErrorCode:    errorCode,
-		ErrorMessage: errorMessage,
-	}
-}
-
-func (e *QuicError) Error() string {
-	return fmt.Sprintf("%s: %s", e.ErrorCode.String(), e.ErrorMessage)
-}
-
-var _ error = &QuicError{}

protocol/quic_error_test.go

@@ -1,16 +0,0 @@
-package protocol_test
-
-import (
-	"github.com/lucas-clemente/quic-go/errorcodes"
-	"github.com/lucas-clemente/quic-go/protocol"
-
-	. "github.com/onsi/ginkgo"
-	. "github.com/onsi/gomega"
-)
-
-var _ = Describe("Quic error", func() {
-	It("has a string representation", func() {
-		err := protocol.Error(errorcodes.InternalError, "foobar")
-		Expect(err.Error()).To(Equal("InternalError: foobar"))
-	})
-})