LensExtractor

fun interface LensExtractor<in IN, out OUT> : Function1<IN, OUT>

Functions

Convert the result of a lens extraction to a Result4k type which

fun (Request) -> Boolean.asRouter(description: String = unavailable.description): Router

Convert any predicate on a request into a router

fun HttpHandler.debug(out: PrintStream = System.out, debugStream: Boolean = false): (request: Request) -> Response

open fun extract(target: IN): OUT

Lens operation to get the value from the target. Synonym for invoke(IN)

open operator fun <R : IN> get(target: R): OUT

Lens operation to get the value from the target. Synonym for invoke(IN)

abstract operator override fun invoke(target: IN): OUT

Lens operation to get the value from the target

Restrict the type that this Lens can extract from

Convert a synchronous HttpHandler API to mimic AsyncHttpClient