"math"
	"math/bits"
)

// Mask allows filtering by a bitset mask.
type Mask uint64

const (
	// MaskAll is the mask for all entries.
	MaskAll Mask = math.MaxUint64
)

// MaskFromMaskable extracts mask from an interface.
func MaskFromMaskable(m Maskable) Mask {
	return Mask(m.Mask())
}

// Contains returns whether *all* flags in other is present in t.
func (t Mask) Contains(other Mask) bool {
	return t&other == other

	}

	var mask image.Image
	switch mcm {
	case nil:
		// No-op.
	case color.AlphaModel:
		mask1 := image.NewAlpha(image.Rect(0, 0, srcw, srch))
		for y := 0; y < srch; y++ {
			for x := 0; x < srcw; x++ {
				a := uint8((23*x + 29*y) % 0x100)
				// Glyph masks are typically mostly zero,
				// so we only set a quarter of mask1's pixels.
				if a >= 0xc0 {

		}
		mask &^= 1 << uint64(i)
	}
	*s = mask
	return nil
}

// And performs and operation on all bits in masks
func (s *bitMask) And(masks ...BitMask) {
	for _, m := range masks {
		*s &= *m.(*bitMask)
	}
}

// Or performs or operation on all bits in masks
func (s *bitMask) Or(masks ...BitMask) {
	for _, m := range masks {
		*s |= *m.(*bitMask)
	}
}

		// may be larger than we expect.
		return
	}
	t.Errorf("bad GC program for %v:\nwant %+v\ngot  %+v", name, mask0, mask)
}

func trimDead(mask []byte) []byte {
	for len(mask) > 0 && mask[len(mask)-1] == typeScalar {
		mask = mask[:len(mask)-1]
	}
	return mask
}

var infoPtr = []byte{typePointer}

type Ptr struct {
	*byte
}

			// Check if s[i:] contains a valid WTF-8 encoded surrogate.
			if sc := s[i:]; len(sc) >= 3 && sc[0] == 0xED && 0xA0 <= sc[1] && sc[1] <= 0xBF && 0x80 <= sc[2] && sc[2] <= 0xBF {
				r = rune(sc[0]&mask3)<<12 + rune(sc[1]&maskx)<<6 + rune(sc[2]&maskx)
				buf = append(buf, uint16(r))
				i += 3
				continue
			}
		}
		i += size
		buf = utf16.AppendRune(buf, r)
	}
	return buf
}

// decodeWTF16 returns the WTF-8 encoding of

	src0 := image.NewRGBA(image.Rect(0, 0, 100, 100))
	mask0 := image.NewRGBA(image.Rect(0, 0, 100, 100))
	for _, c := range clipTests {
		dst := dst0.SubImage(c.dr).(*image.RGBA)
		src := src0.SubImage(c.sr).(*image.RGBA)
		r, sp, mp := c.r, c.sp, c.mp
		if c.nilMask {
			clip(dst, &r, src, &sp, nil, nil)
		} else {
			clip(dst, &r, src, &sp, mask0.SubImage(c.mr), &mp)
		}

    }
}

tasks.named("task2"){
    println("NAMED TASK2: This is executed during the configuration phase")
    doFirst {
        println("NAMED TASK2 - doFirst: This is executed during the execution phase")
    }
    doLast {
        println("NAMED TASK2 - doLast: This is executed during the execution phase")
    }
}
----
=====

        TaskDetails task2 = taskDetails('task2')
        TaskReportModel project1 = Mock()
        TaskReportModel project2 = Mock()
        _ * project1.groups >> (['group'] as LinkedHashSet)
        _ * project1.getTasksForGroup('group') >> ([task1] as Set)
        _ * project2.groups >> (['group'] as LinkedHashSet)
        _ * project2.getTasksForGroup('group') >> ([task2] as Set)

        def matches = asTasks(result['task1'])

        then:
        matches == [task1, task2]

        and:
        1 * tasks.names >> (['task1', 'task2'] as SortedSet)
        1 * tasks.getByName('task1') >> task1
        1 * childTasks.names >> (['task1', 'task3'] as SortedSet)
        1 * childTasks.getByName('task1') >> task2
        0 * tasks._
        0 * childTasks._
    }

        Task task1 = Mock()
        Task task2 = Mock()
        Task task3 = Mock()

        given:
        store.add(artifact1)
        store.add(artifact2)
        builtBy(artifact1, task1, task2)
        builtBy(artifact2, task1, task3)

        expect:
        set.buildDependencies.getDependencies(null) == [task1, task2, task3] as Set
    }