Learning Functional Programming in Go

The slice typewriter

The slice typewriter is built into gen by default. It generates functional convenience methods that will look familiar to users of C#'s LINQ or JavaScript's array methods. It is intended to save you some loops, using a pass a function pattern. It offers easier ad hoc sorting.

The annotation looks like this:

// +gen slice:"Where,GroupBy[int],Any" type Example struct {}

Here, Example is used as a placeholder for your type.

A new type, ExampleSlice, is generated, and becomes the receiver for the following methods: