Encoding C Strings in Whiley
In this post, we’re going to consider representing the classic C string in Whiley. This turns out to be useful as we can then try to verify properties about functions which operate on C strings (e.g....
View ArticleProgram Specification in Practice?
Recently, as part of our Programming Languages Reading group, we looked at the paper “Contracts in Practice” by Estler et al., (see here for a copy). This is quite an interesting paper and the authors...
View ArticleUnderstanding Effective Unions in Whiley
The concept of effective union types in Whiley exposes some interesting features worth considering. In particular, they result in a separation between the readable and writeable view of a type. But,...
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Verifying leftPad() in Whiley
The leftPad(string,int) function simply pads a string up to a given size by inserted spaces at the beginning. For example, leftPad("hello",8) produces " hello". This little function shot to fame in...
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