Beware using anonymous methods in loops
Quick, what’s the output of this simple routine?
Continue reading ‘Beware using anonymous methods in loops’ »
Posts tagged ‘Anonymous Methods’
How to leak a class you never defined
Quick, what’s wrong with this code?
[code lang="delphi"]
procedure ContrivedExample;
var
factorial: TFunc;
begin
factorial :=
function(input: Integer): integer
begin
if (input = 0) or (input = 1) then
result := input
else result := input * (factorial(input - 1));
end;
writeln(factorial(5));
end;
[/code]
Under the hood of an anonymous method
I woke up this morning and checked DelphiFeeds, and found a very interesting post by Jolyon Smith about the use of the absolute keyword. That reminded me that I had to go and write up this article. Why? Because it’s the only way I know of to get inside an anonymous method’s functor object and do some looking around.
What’s in a name-less method?
When I first saw the announcements for the new Delphi 2009 features, a little more than a year ago, my reactions went something like this:
Unicode: Hmm… looks interesting.
Generics: YES! FINALLY!
Anonymous methods: …huh?
I think that’s pretty much how everyone reacted to anonymous methods at first. Continue reading ‘What’s in a name-less method?’ »