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They focus mainly upon what you might find different in Lua. Lua is dynamically typed. There's no static typing at all. From a syntactic point of view, think BASIC (or even COMAL) without line numbers and colons rather than C/C++/Java, Lisp/Scheme, or Forth. There's no begin, but most control structures have an end; for needs a do and if needs ...
Lua patterns deliberately lack the most complex regular expression constructs (to avoid bloating the Lua code base), where many other computer languages or libraries use a more complete set. Lua patterns are not even a subset of regular expressions, as there are also discrepancies, like Lua using the escape character % instead of \, , and ...
Lua (/ ˈ l uː ə / LOO-ə; from Portuguese: lua meaning moon) is a lightweight, high-level, multi-paradigm programming language designed mainly for embedded use in applications. [3] Lua is cross-platform software , since the interpreter of compiled bytecode is written in ANSI C , [ 4 ] and Lua has a relatively simple C application programming ...
In some programming language environments (at least one proprietary Lisp implementation, for example), [citation needed] the value used as the null pointer (called nil in Lisp) may actually be a pointer to a block of internal data useful to the implementation (but not explicitly reachable from user programs), thus allowing the same register to be used as a useful constant and a quick way of ...
The loop macro in ANSI Common Lisp is anaphoric in binding, where the it expression refers to the result of the test expression in a clause. [2] [3]Here is an example that sums the value of non-nil elements, where it refers to the values of elements that do not equal nil:
C: String.format(formatstring, items) Java: C: String.Format(formatstring, items) VB .NET, C#, F#.NET (format formatstring items) Scheme (SRFI 28) Lisp (format nil formatstring items) Common Lisp: Lisp (format formatstring items) Clojure: Lisp formatstring-f items: Windows PowerShell.NET [NSString stringWithFormat:formatstring, items] Objective ...
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LuaRocks is a package manager for the Lua programming language that provides a standard format for distributing Lua modules (in a self-contained format called a "rock"), a tool designed to easily manage the installation of rocks, and a server for distributing them. While not included with the Lua distribution, it has been called the "de facto ...