What is a nil value in Lua?

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In Lua, nil is used to represent non-existence or nothingness. It's frequently used to remove a value in a table or destroy a variable in a script.



Also question is, what is nil value?

The nil value. The nil value is used to express the notion of a “lack of an object”. It's also used by the Garbage Collector — which implements a mark-and-sweep algorithm — to decide if an object should be destroyed or not. Unlike other languages, the nil value isn't used to express emptiness, false or zero.

Similarly, what does nil mean in fashion famous? Tuesday) -- Clear 'Tuesday' key. dictionaryTable. Tuesday = nil. -- Output value of key again.

Also Know, what does nil mean in coding?

In general use, nil (a contraction of Latin "nihil") means "nothing" or the absence of something. Sometimes nil is used to mean the number zero (0). In programming, nil refers to an empty set or a list containing no entries. In some usages, nil is interchangeable with null.

Is nil a ruby?

Well, nil is a special Ruby object used to represent an “empty” or “default” value. It's also a “falsy” value, meaning that it behaves like false when used in a conditional statement.

19 Related Question Answers Found

What is the difference between nil and null?

In short they all are 0 and nothing else.
The difference is that while NULL represents zero for any pointer, nil is specific to objects (e.g., id) and Nil is specific to class pointers.

What is nil in Ruby?

nil. nil is a special Ruby data type that means "nothing". It's equivalent to null or None in other programming languages.

What is nil accounting?

Nil. nothing; of no account; worthless; -- a term often used for canceling, in accounts or bookkeeping.

What is a nil node?

A new node replaces an existing NIL node at the bottom of the tree, and has two NIL nodes as children. In the implementation, a NIL node is simply a pointer to a common sentinel node that is colored black.

What does nil mean in lab results?

nil. Use the word nil to mean "zero," especially when you're talking about scores in a sporting event: "the final score was twelve-nil."

What does nil mean in C?

nil. Objective-C builds on C's representation of nothing by adding nil . nil is an object pointer to nothing. Although semantically distinct from NULL , they are technically equivalent.

What is the most special aspect of nil?

3 Answers
  • In Lisp, nil is commonly used to stand for the absence of a value.
  • In Pascal, nil is a pointer value (valid in any pointer type) that may not be dereferenced.
  • In C and C++, any pointer type includes a NULL value which is distinct from any pointer to a valid object.

What is full form of nil?

NIL means "Zero" or "Nothing" So now you know - NIL means "Zero" or "Nothing" - don't thank us. YW! What does NIL mean? NIL is an acronym, abbreviation or slang word that is explained above where the NIL definition is given.

What does nil mean in an insurance policy?

When nil is applied to deductibles, it tends to mean that there is no applicable deductible. Deductibles are amounts that policyholders must pay before the insurer will acknowledge the claim and offer the coverage according to the contract.

What is nil baggage allowance?

NIL” stands for nothing, zero, or non-existent. It means you do not have a baggage allowance for free luggage on your flight.

What does nil mean on Roblox?

Nil means zilch, nothing, nonexistent. When working with variables, assigning nil to the variable, doesn't "destroy" the original value, per se, but rather replaces the original value. Also, when calling a non-existing value, you will get nil as well.

What is nil online banking?

Zero. Nothing. Nada. The technical term we use is 'nil balance'. If this is the case for you, it may mean that you may need to either add a credit card or apply for a Boost.

What are coins for Roblox?

There are two types of coins in Roblox: coin decals and collectible in-coin games. You can decorate bricks and objects with coin decals, and use coins collected during game play to purchase items in a Roblox shop or unlock special in-game features.