struct

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January 2024

A struct is identical to a class, except that its members are public by default. It exists in C++ largely for the purpose of backwards compatibility with C.

Valve typically use structs to pass conceptual groups of variables between functions. This is advantageous because a struct (or a indeed class - there is little between the two) can be extended or modified later without breaking the existing calls or declarations of any code that uses it.

See also

 struct (C programming language)