@TaskAction
    fun greet() {
        val file = destination.get().asFile
        file.parentFile.mkdirs()
        file.writeText("Hello!")
    }
}
// end::task[]

// tag::config[]
val greetingFile = objects.fileProperty()

tasks.register<GreetingToFileTask>("greet") {
    destination = greetingFile
}

tasks.register("sayGreeting") {
    dependsOn("greet")
    val greetingFile = greetingFile

	buf := make([]byte, 512)

	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		rb.Write(data)
		rb.Read(buf)
	}
}

func BenchmarkRingBuffer_AsyncRead(b *testing.B) {
	// Pretty useless benchmark, but it's here for completeness.
	rb := New(1024)
	data := []byte(strings.Repeat("a", 512))
	buf := make([]byte, 512)

	go func() {
		for {
			rb.Read(buf)
		}
	}()

	b.ResetTimer()

    @TaskAction
    def greet() {
        def file = getDestination().get().asFile
        if (source.get().asFile.exists()) {
            file.write("Hello ${source.get().asFile.text}!")
        } else {
            file.write 'Hello missing file!'
        }
    }
}
// end::task[]

// tag::config[]
def greetingFile = objects.fileProperty()

tasks.register('greet', GreetingFileTask) {

        }
    }
}
// end::task[]

// tag::config[]
val greetingFile = objects.fileProperty()

tasks.register<GreetingFileTask>("greet") {
    source = layout.projectDirectory.file("missing.txt")
    destination = greetingFile
}

tasks.register("sayGreeting") {
    dependsOn("greet")
    val greetingFile = greetingFile
    doLast {
        val file = greetingFile.get().asFile

n-plugin-api Apache Software Foundation http://www.apache.org/ c:\home\Brett\cvs\maven-2\maven-components-release\maven-plugin-api\src\main\java src/main/scripts c:\home\Brett\cvs\maven-2\maven-components-release\maven-plugin-api\src\test\java c:\home\Brett\cvs\maven-2\maven-components-release\maven-plugin-api\target\classes c:\home\Brett\cvs\maven-2\maven-components-release\maven-plugin-api\target\test-classes c:\home\Brett\cvs\maven-2\maven-components-release\maven-plugin-api\src\main\resources...

 * limitations under the License.
 */

package org.gradle.model.internal.core;

/**
 * A hard-coded sequence of model actions that can be applied to a model element.
 *
 * <p>This is pretty much a placeholder for something more descriptive.
 */
public enum ModelActionRole {
    Discover(ModelNode.State.Discovered, false), // Defines all projections for the node

		log.Fatalf("print error: %s not idempotent", filename)
	}

	fileNode = file
	fileSize = int64(len(src))

	for _, decl := range file.Decls {
		// The first global variable, which is pretty short:
		//
		//	var unresolved = new(ast.Object)
		if decl, ok := decl.(*ast.GenDecl); ok && decl.Tok == token.VAR {
			declNode = decl
			declSize = int64(fset.Position(decl.End()).Offset - fset.Position(decl.Pos()).Offset)

            }
        }

        testServices.assertions.assertEqualsToTestDataFileSibling(debugPrinter.toString())
        testServices.assertions.assertEqualsToTestDataFileSibling(prettyPrinter.toString(), extension = ".pretty.txt")
    }

    /**
     * Processes the descendants of the element using the preorder implementation of tree traversal.
     */
    private inline fun <reified T : PsiElement> PsiElement.forEachDescendantOfType(

n-plugin-api Apache Software Foundation http://www.apache.org/ c:\home\Brett\cvs\maven-2\maven-components-release\maven-plugin-api\src\main\java src/main/scripts c:\home\Brett\cvs\maven-2\maven-components-release\maven-plugin-api\src\test\java c:\home\Brett\cvs\maven-2\maven-components-release\maven-plugin-api\target\classes c:\home\Brett\cvs\maven-2\maven-components-release\maven-plugin-api\target\test-classes c:\home\Brett\cvs\maven-2\maven-components-release\maven-plugin-api\src\main\resources...

When you are switching branches back and forth, the local results get rebuilt over and over again, even if you are building something that has already been built before.
The build cache remembers the earlier build results, and greatly reduces the need to rebuild things when they have already been built locally.
This can also extend to rebuilding different commits, like when running `git bisect`.