public TertiatryFunctionToken(string funcName, ValueToken value1, ValueToken value2, ValueToken value3)
{
this.funcName = funcName.ToLower();
this.value1 = value1;
this.value2 = value2;
this.value3 = value3;
}
public UnaryFunctionToken(string funcName, ValueToken value)
{
this.funcName = funcName.ToLower();
this.value = value;
}
public BinaryFunctionToken(string funcName, ValueToken value1, ValueToken value2)
{
this.funcName = funcName.ToLower();
this.value1 = value1;
this.value2 = value2;
}