nop.go

// Copyright (c) 2017-2018 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// THE SOFTWARE.

package config

// NopProvider is a no-op provider.
type NopProvider struct{}

var _ Provider = NopProvider{}

// Name implements Provider.
func (NopProvider) Name() string {
	return "no-op"
}

// Get returns a value with no configuration available.
func (n NopProvider) Get(_ string) Value {
	p, _ := NewYAML(Name(n.Name()))
	return p.Get("not_there") // Root is always present, making HasValue true
}