| object demo { | |
| trait TLike[T <: TLike[T]] { self: T => | |
| def x: Int | |
| def y: Int | |
| protected def construct(x: Int, y: Int): T | |
| private def copyTrait(x: Int = self.x, y: Int = self.y): T = construct(x, y) | |
| def xSet(x: Int): T = copyTrait(x = x) | |
| def ySet(y: Int): T = copyTrait(y = y) | |
| } |
| /* | |
| * Licensed to the Apache Software Foundation (ASF) under one or more | |
| * contributor license agreements. See the NOTICE file distributed with | |
| * this work for additional information regarding copyright ownership. | |
| * The ASF licenses this file to You under the Apache License, Version 2.0 | |
| * (the "License"); you may not use this file except in compliance with | |
| * the License. You may obtain a copy of the License at | |
| * | |
| * http://www.apache.org/licenses/LICENSE-2.0 | |
| * |
| package cats | |
| package data | |
| import scala.annotation.tailrec | |
| sealed abstract class Continuation[O, +I] { | |
| def map[I2](fn: I => I2): Continuation[O, I2] = | |
| Continuation.Mapped(this, fn) | |
| def flatMap[I2](fn: I => Continuation[O, I2]): Continuation[O, I2] = |
The concept in this gist works properly, but evaluates eagerly. Also, its type signature is a bit more complicated than necessary, with the self-typing signature trying to preserve the outer sequence type.
I recommend the breakable package, which supports lazy evaluation, along with some other useful features:
| // 'small' was a subsample of meta-full parquet | |
| scala> small.orderBy(small("@timestamp")).map(utils.toJSON).saveAsTextFile("/home/eje/logdemo/logs_ordered.json") |
| <!DOCTYPE html> | |
| <html> | |
| <head><meta charset="utf-8" /> | |
| <title>distplot_bug</title> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/require.js/2.1.10/require.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script> | |
| <style type="text/css"> | |
| /*! |
| xxx |
| 0.0 gss-diag01 | |
| 0.0 gss-servicejava01 | |
| 0.0 gss-servicejava02 | |
| 0.0 gss-servicejava03 | |
| 0.0 gss-servicejava04 | |
| 0.0 gss-webjava01 | |
| 0.0 gss-webjava02 | |
| 0.0 gss-webjava03 | |
| 0.0 gss-webjava04 |