Debugging LINQ

Michael Sorens has an article on using OzCode to debug LINQ statements:

OzCode’s new LINQ debugging capability is tremendous, no doubt about it. But it is not a panacea; it is still constrained by Visual Studio’s own modeling capability. As a case in point, Figure 17 shows another example from my earlier article. This code comes from an open-source application I wrote called HostSwitcher. In a nutshell, HostSwitcher lets you re-route entries in your hosts file with a single click on the context menu attached to the icon in the system tray. I discussed the LINQ debugging aspects of this code in the same article I mentioned previously, LINQ Secrets Revealed: Chaining and Debugging, but if you want a full understanding of the entire HostSwitcher application, see my other article that discusses it at length, Creating Tray Applications in .NET: A Practical Guide.

This is quite interesting.  My big problem with LINQ in the past was that Visual Studio’s debugger treated a LINQ statement as a black box, so if you got anything wrong inside a long chain of commands, good luck figuring it out.  This lowers that barrier a bit, and once you get really comfortable with LINQ, it’s time to give F# a try.

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