/**
* PARSE METHOD for A -> V { '+' V }
*/
Object A()
{
Object result;
Object V1 = V();
if( isFailure(V1) ) return failure;
if( skipWhitespace() && nextCharIs('+')
)
{
Object A2 = A();
if( isFailure(A2) ) return
failure;
return OpenList.list("+",
V1, A2);
}
else
{
return V1;
}
}