TURBU Tech

Delphi 2010′s help describes TValue, used by the RTTI unit to store values of arbitrary types, as “a lightweight version of the Variant type.” I saw that and it made me wonder, how lightweight is it? How fast is using TValue?

Thankfully, among D2010′s lesser-known new features is the Diagnostics unit, which gives us TStopwatch, a simple record for timing operations. That makes it very easy to write a simple speed test.
Continue reading ‘TValue is very slow!’ »

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.

Continue reading ‘Under the hood of an anonymous method’ »