memory-address – Page 4

Printing a variable memory address in swift

October 11, 2022 by Tarik

Note: This is for reference types. Swift 4/5: print(Unmanaged.passUnretained(someVar).toOpaque()) Prints the memory address of someVar. (thanks to @Ying) Swift 3.1: print(Unmanaged<AnyObject>.passUnretained(someVar as AnyObject).toOpaque()) Prints the memory address of someVar.

Correct format specifier to print pointer or address?

October 6, 2022 by Tarik

The simplest answer, assuming you don’t mind the vagaries and variations in format between different platforms, is the standard %p notation. The C99 standard (ISO/IEC 9899:1999) says in §7.19.6.1 ¶8: p The argument shall be a pointer to void. The value of the pointer is converted to a sequence of printing characters, in an implementation-defined … Read more