Questions tagged [struct]

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178
votes
5answers
159k views

When do you use a struct instead of a class? [closed]

What are your rules of thumb for when to use structs vs. classes? I'm thinking of the C# definition of those terms but if your language has similar concepts I'd like to hear your opinion as well. I ...
6
votes
1answer
333 views

Why List<T>.Enumerator is struct?

During my investigations of List<T> enumeration I noticed List<T>.Enumerator is struct. In opposite for instance to System.Array.SZArrayEnumerator or System.SZArrayHelper....
5
votes
0answers
244 views

Rust and lifetime elision rules for structs?

In the Rust documentation, under the structs section, they give this example of how structs need lifetimes when they contain references: struct Foo<'a> { x: &'a i32, } because We ...
3
votes
3answers
288 views

Struct or class for wrapping an int when 0 isn't a valid value

I have a business object which is basically a wrapper around a value of type int. There are some constraints for the value/object: Not every value in int's range is valid1 The valid values are not a ...
-1
votes
1answer
218 views

Few unusual C/C++ declarations

I came across this Enum and Struct declarations in a project supposedly done by an expert. The declarations / definitions are little different than what im used to so far. enum EnumKeys { KEY_MENU ,...