Concatenation

Concatenation is a binary operation in which two strings are joined together, creating one larger string, one following the other. In Lua, the concatenation operator is written ...

Properties

Concatenation is associative, meaning that $a\circ b\circ c=(a\circ b)\circ c=a\circ (b\circ c)$ , where $\circ$ is the concatenation operator. However, it is not commutative, meaning that $a\circ b\neq b\circ a$ .

Example

print("hello" .. " world" .. "!")

This will output hello world!.

gollark: But you want lots of things.

gollark: Then you want food, I guess.

gollark: If GTech™ deployed viral photosynthetic genes™, people would stop wanting it.

gollark: It's valuable because people want it and will exchange things for it, that's all.

gollark: Well, it doesn't.

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Lua documentation
Types	Boolean Coroutine Function Nil Number String Table
Operators	Arithmetic Comparison Concatenation Logic