src/syscall/zx/fidl/types.go

// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package fidl

// Enum is implemented by any value that is a FIDL enum.
//
// During code generation, `fidlgen_go` ensures that all domain types generated
// to represent FIDL enum implement this interface.
type Enum interface {
	// IsUnknown indicates whether this enum value is unknown, i.e. whether it
	// falls outside of known FIDL enum members.
	//
	// While strict FIDL enums ensure that no unknown enums can be decoded, it
	// is still possible to construct an unknown enum by casting a primitive
	// value.
	IsUnknown() bool
}