Roberto Bonvallet rbonvall
rbonvall
/ ejemplos.scala
Last active
July 13, 2018 21:28
Ejemplos meetup de Scala, 12 de julio de 2018
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| case class Point(x: Double, y: Double) { | |
| def +(p: Point) = Point(x + p.x, y + p.y) | |
| def *(a: Double) = Point(a * x, a * y) | |
| def distTo(that: Point) = { | |
| val Point(dx, dy) = this + that * -1 | |
| math.sqrt(dx * dx + dy * dy) | |
| } | |
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| val integers = Stream.from(0) | |
| object E1 { | |
| val evenIntegers = integers.filter(_ % 2 == 0) | |
| } | |
| object E2 { | |
| val evenIntegers = integers.map(_ * 2) | |
| } | |
| object E3 { |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| sealed trait Move | |
| case class Spin(x: Int) extends Move | |
| case class Exchange(a: Int, b: Int) extends Move | |
| case class Partner(a: Char, b: Char) extends Move | |
| object Move { | |
| val spin = """s(\d+)""".r | |
| val exchange = """x(\d+)/(\d+)""".r | |
| val partner = """p(\w)/(\w)""".r | |
| val fromString: PartialFunction[String, Move] = { | |
| case spin(x) ⇒ Spin(x.toInt) |
rbonvall
/ new-scala-project.sh
Created
February 15, 2017 03:53
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/bin/bash | |
| die () { | |
| echo "$1" | |
| exit 1 | |
| } | |
| get-scala-version () { | |
| curl http://www.scala-lang.org/ 2> /dev/null | grep scala-version | perl -pe 's/\D*([0-9.]+)\D*/$1/' | |
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| val rut1 = 15666777 // - 3 | |
| val rut2 = 23456789 // - 6 | |
| val rut3 = 22333444 // - k | |
| // 1 5 6 6 6 7 7 7 | |
| // ...3 2 7 6 5 4 3 2 | |
| // 3 10 42 36 30 28 21 14 → (+) → 184 | |
| // -184 mod 11 = 3 |
rbonvall
/ 01-el-patron-del-match.scala
Created
May 18, 2016 18:02
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| ////////////////////////////////////////////////// | |
| // // | |
| // El patrón del match // | |
| // // | |
| // Roberto Bonvallet // | |
| // @rbonvall // | |
| // // | |
| // Martes 17 de mayo de 2016 // | |
| // Santiago Scala Meetup // | |
| // // |
rbonvall
/ el-patron-del-match.scala
Created
May 15, 2016 22:58
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| ////////////////////////////////////////////////// | |
| // // | |
| // El patrón del match // | |
| // // | |
| // Roberto Bonvallet // | |
| // @rbonvall // | |
| // // | |
| // Martes 17 de mayo de 2016 // | |
| // Santiago Scala Meetup // | |
| // // |
rbonvall
/ 01-unos-tipos-con-opciones.scala
Last active
April 5, 2016 13:03
Charla «Unos tipos con opciones».
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // Unos tipos con opciones // | |
| // // | |
| // Roberto Bonvallet // | |
| // @rbonvall // | |
| // // | |
| // Viernes 1 de abril de 2016 // | |
| // Santiago Scala Meetup // |
rbonvall
/ zigzagify.py
Created
February 2, 2016 20:59
http://codegolf.stackexchange.com/questions/55593/zigzagify-a-string
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/usr/bin/env python | |
| from numpy import * | |
| #r = raw_input() | |
| r = 'Programming Puzzles & Code Golf' | |
| s = sign(diff(map(ord, r[0] + r))) | |
| c = cumsum(s) | |
| p = 2 * (max(c) - c) + 1 | |
| w = max(p) + 1 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| object f { | |
| val floatingPointNumberPattern = """(\d+(?:[.]\d*))""".r | |
| def unapply(s: String): Option[Double] = s match { | |
| case floatingPointNumberPattern(x) ⇒ Some(x.toDouble) | |
| case _ ⇒ None | |
| } | |
| } | |
| object i { | |
| val nonNegativeIntegerPattern = """(\d+)""".r |
NewerOlder