https://github.com/jruby/jruby/jruby-core: JRuby is the effort to recreate the Ruby (https://www.ruby-lang.org) interpreter in Java. (JRuby)
  • headius
  • enebo
  • wmeissner
  • BanzaiMan
  • mkristian 
package org.jruby.ast;

import org.jruby.lexer.yacc.InvalidSourcePosition;


A node which behaves like a nil node, but is not actually present in the AST as a syntactical
element (e.g. IDE's should ignore occurrences of this node. We have this as separate subclass
so that IDE consumers can more easily ignore these.

/**
 * A node which behaves like a nil node, but is not actually present in the AST as a syntactical
 * element (e.g. IDE's should ignore occurrences of this node. We have this as separate subclass
 * so that IDE consumers can more easily ignore these.
 */
public class NilImplicitNode extends NilNode implements InvisibleNode {
    public static final NilImplicitNode NIL = new NilImplicitNode();
    
    public NilImplicitNode() {
        super(InvalidSourcePosition.INSTANCE);
    }

    public boolean isNil() {
        return true;
    }
}