Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Normally multiple values are not used. Special forms are required both to produce multiple values and to receive them. If the caller of a function does not request multiple values, but the called ...

This is the HTML and website code for the book of the above title. You can't just browse the raw HTML files of the site. The links wont work, and it wont have a ...

Elisp is a lisp-2 with user-defined macros. A simple parser cannot detect if e.g. (foo (let ...)) is a function call with a let expression argument, or a macro call where let means something else.

A hash table is a Lisp object that can efficiently map a given Lisp object to another Lisp object. Each hash table has a set of entries, each of which associates a particular key with a particular ...