/*
* Copyright (c) 2012, the Dart project authors.
*
* Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.eclipse.org/legal/epl-v10.html
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.dart.engine.utilities.dart;
/**
* The enumeration {@code ParameterKind} defines the different kinds of parameters. There are two
* basic kinds of parameters: required and optional. Optional parameters are further divided into
* two kinds: positional optional and named optional.
*
* @coverage dart.engine.utilities
*/
public enum ParameterKind {
REQUIRED(false),
POSITIONAL(true),
NAMED(true);
/**
* A flag indicating whether this is an optional parameter.
*/
private boolean isOptional;
/**
* Initialize a newly created kind with the given state.
*
* @param isOptional {@code true} if this is an optional parameter
*/
private ParameterKind(boolean isOptional) {
this.isOptional = isOptional;
}
/**
* Return {@code true} if this is an optional parameter.
*
* @return {@code true} if this is an optional parameter
*/
public boolean isOptional() {
return isOptional;
}
}