forked from cerc-io/ipld-eth-server
37 lines
1016 B
Go
37 lines
1016 B
Go
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// Copyright (c) 2018 Arista Networks, Inc.
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// Use of this source code is governed by the Apache License 2.0
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// that can be found in the COPYING file.
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package path
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import "github.com/aristanetworks/goarista/key"
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// Wildcard is a special element in a path that is used by Map
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// and the Match* functions to match any other element.
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var Wildcard = key.New(WildcardType{})
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// WildcardType is the type used to construct a Wildcard. It
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// implements the value.Value interface so it can be used as
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// a key.Key.
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type WildcardType struct{}
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func (w WildcardType) String() string {
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return "*"
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}
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// Equal implements the key.Comparable interface.
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func (w WildcardType) Equal(other interface{}) bool {
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_, ok := other.(WildcardType)
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return ok
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}
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// ToBuiltin implements the value.Value interface.
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func (w WildcardType) ToBuiltin() interface{} {
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return WildcardType{}
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}
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// MarshalJSON implements the value.Value interface.
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func (w WildcardType) MarshalJSON() ([]byte, error) {
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return []byte(`{"_wildcard":{}}`), nil
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}
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