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I stumbled across the following and can't seem to work out why this works. Please can you explain why I don't need to use a pointer before range?
NSString *d = @"The quick brown fox";
NSRange range = [d rangeOfString:@"brown"];
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A pointer is a variable that stores the address of another variable. Unlike other variables that hold values of a certain type, pointer holds the address of a variable. For example, an integer variable holds (or you can say stores) an integer value, however an integer pointer holds the address of a integer variable.
There are majorly four types of pointers, they are: Null Pointer. Void Pointer. Wild Pointer. Dangling Pointer.
The Pointer in C, is a variable that stores address of another variable. A pointer can also be used to refer to another pointer function. A pointer can be incremented/decremented, i.e., to point to the next/ previous memory location. The purpose of pointer is to save memory space and achieve faster execution time.
Definition of pointer 1a Pointers plural : the two stars in the Big Dipper a line through which points to the North Star. b : one that points out especially : a rod used to direct attention. c : a computer memory address that contains another address (as of desired data)
NSString is an object type. All object types are pointers and can't be created on the stack. NSRange is a C-struct. Structs can be created on the stack, and thus aren't necessarily all pointers.
There isn't a good guide to know which ones are objects, and which are structs. You'll just have to check for each type as you move forward.
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