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And we will override visitNamedFunction() method to add our check. And we can override any of these methods to add our checks. It provides us with a huge API: more than one hundred methods - each one for visiting specific PSI element, such as visitFile(file: PsiFile?), visitClassBody(classBody: KtClassBody), visitArgument(argument: KtValueArgument) etc.

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But in order to check our code for the issue Rule class also inherits from KtVisitor class. Its constructor parameters, as we’ve already seen, describe the issue. Since this fix only requires adding one method call, we estimated it to minimum amount of FIVE_MINS.

We need to specify time estimate to fix the issue, so that Detekt could calculate total amount of time required to fix all issues in the codebase.

We need to provide a description of the issue.

We need to specify severity of our issue.

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This is an occasional series of book reviews.We are passing number of parameters to the constructor of the superclass: My Blank Pages is a track by Velvet Crush. The book is available at Amazon for £7.99 at the time of writing. I don’t think it would compromise the value of the book since it is the text that is most valuable. It would’ve been nice if the code was made available for this book. I’ve been spoiled reading texts about R where the examples can all be run from a markdown file inside RStudio. The author has put one up here to save rekeying and another here, but otherwise you need to type in the examples to see what will happen. There’s always room for improvement: there are several example programs at the back which need to be rekeyed to run, since this is a paper book and no electronic version is available AFAIK. After this, more basic programming topics are covered in depth. It’s an advanced programming technique but is dealt with early by the author and it kind of works. The book has actually convinced me that module-static is a good thing, especially since my Igor code is now deployed around the lab and naming conflicts could easily become a problem. This means naming conflicts are minimised. A new experiment is started – one user-written ipf is opened – and the code is run. Although in my defence, name conflicts are generally not a problem for the way I work because I favour a reproducible approach.

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As the Igor Manual says “this gets tedious after a while” and that’s true. I have dealt with name conflicts by using static functions which are called from the top of the stack, and the top has a unique name (arguably this is the same as module-static, but not identical). Module-static works well because it eliminates naming conflicts.

All of my Igor programming has been done in the global pragma and I have avoided this more C-like way of encapsulating programs that I’ve written so far. The author favours module-static programming. What I was surprised about was the first thing mentioned in the book was new to me.

I knew I would learn something from the book because there’s always alternative ways to do stuff in Igor: things that you didn’t know about or little tricks to do stuff faster. It’s a great little book and is recommended for those who want to dig further after doing the Getting Started exercises. So it’s a really useful intermediate programming guide. The book stops short of any specialised applications. Schmid deals with this by covering basic programming and core-intermediate topics such as dialogs, loops, string magic etc. What makes Igor Pro so fantastic is the way that you can use it for so many different things: image processing, statistics, graphing, curve fitting, instrument control and so on. Part of the challenge of writing a book on Igor Programming is deciding what to cover. So I was intrigued whether Martin Schmid’s book would fill the gap between Getting Started and more advanced guides. The Igor Manual itself is excellent but it’s many, many pages long and is only meant to be consulted.

There are a few other guides on the web ( Payam’s guide, Thomas Braun’s coding conventions, quantixed’s own translator), but other resources are pretty scarce. There’s a booklet from WaveMetrics (the company that sells Igor Pro) called Getting Started – which is really good. Learning Igor – like most IDEs or programming languages – is tough going. I’m a competent Igor programmer but I was hoping that this book would be useful for lab members that want to learn. It has been a long time since I wrote a book review.Ī few months ago I read on IgorExchange that Martin Schmid had written a book about programming Igor.

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