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That is, a form that evaluates child forms in order and returns the last evaluated value,e.g.
(do (println "Hello World") 3) => 3
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Since Clojure is a Lisp-1, (global) functions can be dynamically rebound (if they are marked as dynamic).
Clojure is a member of the Lisp family of languages. Many of the features of Lisp have made it into other languages, but Lisp's approach to code-as-data and its macro system still set it apart. Clojure extends the code-as-data system beyond parenthesized lists (s-expressions) to vectors and maps.
Common lisp comparatively faster than Clojure as it uses compilers like SBCL which makes common lisp faster than C programming or any other low-level programming language and it also provides a variety of different libraries for different concepts that can be included in the program for easy execution.
Clojure is a Lisp-1 and is not intended to be code-compatible with other dialects of Lisp, since it uses its own set of data structures incompatible with other Lisps. As a Lisp dialect, Clojure supports functions as first-class objects, a read–eval–print loop (REPL), and a macro system.
It's called progn.
Special Operator PROGN
Syntax:
progn form* ⇒ result*
Description:
progn evaluates forms, in the order in which they are given.
The values of each form but the last are discarded.
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