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// Copyright (c) 2018, Maxime Soulé
// All rights reserved.
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.
package types
import (
"encoding/json"
"strconv"
)
// TestDeepStringer is a TestDeep specific interface for objects which
// know how to stringify themselves.
type TestDeepStringer interface {
_TestDeep()
String() string
}
// TestDeepStamp is a useful type providing the _TestDeep() method
// needed to implement [TestDeepStringer] interface.
type TestDeepStamp struct{}
func (t TestDeepStamp) _TestDeep() {}
// RawString implements [TestDeepStringer] interface.
type RawString string
func (s RawString) _TestDeep() {}
func (s RawString) String() string {
return string(s)
}
// RawInt implements [TestDeepStringer] interface.
type RawInt int
func (i RawInt) _TestDeep() {}
func (i RawInt) String() string {
return strconv.Itoa(int(i))
}
var _ = []TestDeepStringer{RawString(""), RawInt(0)}
// OperatorNotJSONMarshallableError implements error interface. It
// is returned by (*td.TestDeep).MarshalJSON() to notice the user an
// operator cannot be JSON Marshal'ed.
type OperatorNotJSONMarshallableError string
// Error implements error interface.
func (e OperatorNotJSONMarshallableError) Error() string {
return string(e) + " TestDeep operator cannot be json.Marshal'led"
}
// Operator returns the operator behind this error.
func (e OperatorNotJSONMarshallableError) Operator() string {
return string(e)
}
// AsOperatorNotJSONMarshallableError checks that err is or contains
// an [OperatorNotJSONMarshallableError] and if yes, returns it and
// true.
func AsOperatorNotJSONMarshallableError(err error) (OperatorNotJSONMarshallableError, bool) {
switch err := err.(type) {
case OperatorNotJSONMarshallableError:
return err, true
case *json.MarshalerError:
if err, ok := err.Err.(OperatorNotJSONMarshallableError); ok {
return err, true
}
}
return "", false
}
type RecvKind bool
const (
_ RecvKind = (iota & 1) == 0
RecvNothing
RecvClosed
)
func (r RecvKind) _TestDeep() {}
func (r RecvKind) String() string {
if r == RecvNothing {
return "nothing received on channel"
}
return "channel is closed"
}
var _ = []TestDeepStringer{RecvNothing, RecvClosed}
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