func gcallers(gp *g, skip int, pcbuf []uintptr) int {
	var u unwinder
	u.init(gp, unwindSilentErrors)
	return tracebackPCs(&u, skip, pcbuf)
}

// showframe reports whether the frame with the given characteristics should
// be printed during a traceback.
func showframe(sf srcFunc, gp *g, firstFrame bool, calleeID abi.FuncID) bool {
	mp := getg().m

	SPDRP_DEVTYPE                     SPDRP = 0x00000019 // Device Type (R/W)
	SPDRP_EXCLUSIVE                   SPDRP = 0x0000001A // Device is exclusive-access (R/W)
	SPDRP_CHARACTERISTICS             SPDRP = 0x0000001B // Device Characteristics (R/W)
	SPDRP_ADDRESS                     SPDRP = 0x0000001C // Device Address (R)
	SPDRP_UI_NUMBER_DESC_FORMAT       SPDRP = 0x0000001D // UiNumberDescFormat (R/W)

    result.removeAll(collection);
    return result;
  }

  /**
   * Returns a set backed by the specified map. The resulting set displays the same ordering,
   * concurrency, and performance characteristics as the backing map. In essence, this factory
   * method provides a {@link Set} implementation corresponding to any {@link Map} implementation.

    result.removeAll(collection);
    return result;
  }

  /**
   * Returns a set backed by the specified map. The resulting set displays the same ordering,
   * concurrency, and performance characteristics as the backing map. In essence, this factory
   * method provides a {@link Set} implementation corresponding to any {@link Map} implementation.

		f, err := pe.Open(obj)
		if err != nil {
			t.Fatal(err)
		}
		defer f.Close()
		if f.Section(".reloc") == nil {
			t.Error(".reloc section is not present")
		}
		if (f.FileHeader.Characteristics & pe.IMAGE_FILE_RELOCS_STRIPPED) != 0 {
			t.Error("IMAGE_FILE_RELOCS_STRIPPED flag is set")
		}
		var dc uint16
		switch oh := f.OptionalHeader.(type) {
		case *pe.OptionalHeader32:

The Java source files act as inputs of the task, while the generated class files, i.e. the result of the compilation, are the outputs of the task.

.Example task inputs and outputs
image::taskInputsOutputs.png[]