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A computer scientist working in open source towards a more hopeful future. Posted on 2015-07-10, around 12 minutes of reading. In Rust, function signatures tell a story. Just from glancing at the signature of a function an experienced Rust user can tell much of the functions behaivor. In this article we'll explore some signatures and talk about how to read them and extract information from them. W

A computer scientist working in open source towards a more hopeful future. Posted on 2014-08-12, around 8 minutes of reading. One common monadic structure is the Option (or Maybe in Haskell and other languages) type. This can be seen as an encapsulation type. Consider a function which may fail to produce a meaningful value for certain inputs. For example, fn main () { // Parses a string into an in