}

	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 {

		if i >= 56 {
			// we might have to write the length here if all fit in one block
			d.x[i] |= mask1b & length[i-56]
		}
	}

	// compress, and only keep the digest if all fit in one block
	block(d, d.x[:])

	var digest [Size]byte
	for i, s := range d.h {
		digest[i*4] = mask1b & byte(s>>24)
		digest[i*4+1] = mask1b & byte(s>>16)
		digest[i*4+2] = mask1b & byte(s>>8)

		updateGeneric(&state, h.buffer[:h.offset])
	}
	finalize(out, &state.h, &state.s)
}

// [rMask0, rMask1] is the specified Poly1305 clamping mask in little-endian. It
// clears some bits of the secret coefficient to make it possible to implement
// multiplication more efficiently.
const (
	rMask0 = 0x0FFFFFFC0FFFFFFF
	rMask1 = 0x0FFFFFFC0FFFFFFC
)

// initialize loads the 256-bit key into the two 128-bit secret values r and s.

// cidr('::1/128').ip().family() // returns '6'
// cidr('192.168.0.0/24').masked() // returns cidr('192.168.0.0/24')
// cidr('192.168.0.1/24').masked() // returns cidr('192.168.0.0/24')
// cidr('192.168.0.0/24') == cidr('192.168.0.0/24').masked() // returns true, CIDR was already in canonical format
// cidr('192.168.0.1/24') == cidr('192.168.0.1/24').masked() // returns false, CIDR was not in canonical format

.app/build.gradle
[source, groovy]
----
tasks.register("task1") {  // <1>
    println("REGISTER TASK1: This is executed during the configuration phase")
}

tasks.named("task1") {  // <2>
    println("NAMED TASK1: This is executed during the configuration phase")
    doFirst {
        println("NAMED TASK1 - doFirst: This is executed during the execution phase")
    }
    doLast {

  internal const val B0_FLAG_RSV3 = 16

  /** Byte 0 mask for the frame opcode. */
  internal const val B0_MASK_OPCODE = 15

  /** Flag in the opcode which indicates a control frame. */
  internal const val OPCODE_FLAG_CONTROL = 8

  /**
   * Byte 1 flag for whether the payload data is masked.
   *
   * If this flag is set, the next four

        }
    }

    void assertSameDaemonWasUsed(String task1, String task2) {
        fixture.list.each {
            assert outputFileDir.file(task1).file(it).text == outputFileDir.file(task2).file(it).text
        }
    }

    void assertDifferentDaemonsWereUsed(String task1, String task2) {
        fixture.list.each {
            assert outputFileDir.file(task1).file(it).text != outputFileDir.file(task2).file(it).text
        }

# tag::cli[]
# gradle --quiet task1
# end::cli[]
executable: gradle
args: task1
flags: --quiet

    def "dependencies are union of dependencies of source trees"() {
        def task1 = Stub(Task)
        def task2 = Stub(Task)
        def task3 = Stub(Task)
        def tree1 = Stub(FileTreeInternal)
        def tree2 = Stub(FileTreeInternal)

        given:
        tree1.visitDependencies(_) >> { TaskDependencyResolveContext context ->
            context.add(task1)
            context.add(task2)
        }

		// 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
}