public Expression VisitZenConcatExpr(ZenConcatExpr expression, ExpressionConverterEnvironment parameter)
{
return(LookupOrCompute(expression, () =>
{
var l = expression.Expr1.Accept(this, parameter);
var r = expression.Expr2.Accept(this, parameter);
return Expression.Add(l, r, concatMethod);
}));
}
public ImmutableHashSet <object> VisitZenConcatExpr(ZenConcatExpr expression, Unit parameter)
{
return(LookupOrCompute(expression, () =>
{
var x = expression.Expr1.Accept(this, parameter);
var y = expression.Expr2.Accept(this, parameter);
this.Combine(x, y);
return x.Union(y);
}));
}