Interface IteratorCopyFunction

All Superinterfaces:
FunctionPointer
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface @Generated("org.javagi.JavaGI") public interface IteratorCopyFunction extends FunctionPointer

Functional interface declaration of the IteratorCopyFunction callback.

See Also:
  • Method Details

    • run

      void run(Iterator it, Iterator copy)
      This function will be called when creating a copy of it and should create a copy of all custom iterator fields or increase their reference counts.
      Parameters:
      it - The original iterator
      copy - The copied iterator
    • upcall

      default void upcall(MemorySegment it, MemorySegment copy)
      The upcall method is called from native code. The parameters are marshaled and run(Iterator, Iterator) is executed.
    • toCallback

      default MemorySegment toCallback(Arena arena)
      Creates a native function pointer to the upcall(MemorySegment, MemorySegment) method.
      Specified by:
      toCallback in interface FunctionPointer
      Parameters:
      arena - the arena in which the function pointer is allocated
      Returns:
      the native function pointer