public IfFunction(ValueSource ifSource, ValueSource trueSource, ValueSource falseSource) {this.ifSource = ifSource;this.trueSource = trueSource;this.falseSource = falseSource;}

public IfFunction(ValueSource ifSource, ValueSource trueSource, ValueSource falseSource){this.ifSource = ifSource;this.trueSource = trueSource;this.falseSource = falseSource;}
