Media Summary: What looks like mutability in the toplevel is not -- it's really just a consequence of The semantics of `let` uses a notion of substitution, but, how should that be defined? These examples lend intuition. Textbook: ... A notion of "behavioral equality" is at the heart of reasoning about the correctness of functional programs Textbook: ...
Variable Expressions And Scope Ocaml - Detailed Analysis & Overview
What looks like mutability in the toplevel is not -- it's really just a consequence of The semantics of `let` uses a notion of substitution, but, how should that be defined? These examples lend intuition. Textbook: ... A notion of "behavioral equality" is at the heart of reasoning about the correctness of functional programs Textbook: ... More about records vs. variants, and how variants can combine "one of" vs "each of" data. Textbook: ... How to define the substitution operation for simple A "closure" is a data structure containing the code for a function, as well as the environment that "closes" off its free
Defining the type system for a simple language Textbook: Type systems designed to track the side-effects of Broadcasted live on Twitch -- Watch live at My web page: www.imperial.ac.uk/people/n.sadawi Useful links: ... Defining a small-step substitution-model semantics for a core fragment of
