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class Str(val str: String) extends AnyVal { | |
def isEmpty = str == null || str.isEmpty | |
def _1 = str.charAt(0) | |
def _2 = str.substring(1) | |
} | |
object Str { | |
def unapply(str: String): Str = new Str(str) | |
} | |
object StrTest { |
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scala> :paste | |
// Entering paste mode (ctrl-D to finish) | |
trait Context | |
object Helper { | |
def stuff(implicit c: Context) = 3 | |
def stuff_=(i: Int)(implicit c: Context) = () | |
// woot |
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object Parser { | |
def main(args: Array[String]): Unit = { | |
val shit = new JsonParser1() | |
println{ | |
shit.parseAll(shit.something, """{"nagger": 3, "dicklen": 3.14e2, "slask": null, "arne": "sket", "gammelarray": ["arne", 3, true], "nested": {"apa": true}}""") | |
} | |
} | |
} | |
class JsonParser1 extends RegexParsers { |
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import java.io.{OutputStream, InputStream} | |
import Skandal._ | |
import scala.annotation.tailrec | |
import scala.collection.mutable.LazyBuilder | |
import scala.collection.generic.CanBuildFrom | |
import scala.collection.mutable.Builder | |
import scala.collection.SeqLike | |
import scala.collection.generic.GenericTraversableTemplate | |
import scala.collection.generic.GenericCompanion | |
object Mustivar { |
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<target name="init" depends="-set-release-mode, -build-setup"> | |
<property | |
name="scala-library.jar" | |
value="${scala.dir}/lib/scala-library.jar" | |
/> | |
<path id="build.classpath"> | |
<pathelement location="${scala-library.jar}" /> | |
<!--<pathelement location="${your.path}" />--> | |
<pathelement location="${build.dir}" /> | |
</path> |
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/** For every collection that is a sequence, pimp the method groupedSeq */ | |
implicit class GroupedSeq[SEQ[X]<:Seq[X], T](val seq: SEQ[T]) extends AnyVal { | |
/** Takes a function that maps elems of type T to the grouping kind U | |
* All sequential elements that has the same group U will be grouped in a SEQ | |
* Example {{{ | |
* class Person(name: String) | |
* val people = List(Person("ADAM"), Person("adam"), Person("pelle")) | |
* people.groupeSeq{ _.name.toUpperCase } => List(List(Person(ADAM), Person(adam)), List(pelle)) | |
* }}} |
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import scala.collection.generic.CanBuildFrom | |
object Batik extends App { | |
val fun: Int => Option[Int] = { | |
case 3 => Some(1337) | |
case 5 => None | |
case n => Some(n * 3) | |
} | |
val mustare = List(1,2,3,4,5).filterMap(fun) |
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package com.example.android2111.app; | |
import java.util.List; | |
import retrofit2.Call; | |
import retrofit2.Retrofit; | |
import retrofit2.http.GET; | |
import retrofit2.http.Path; | |
import retrofit2.converter.gson.GsonConverterFactory |
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object ToFromMap { | |
implicit def materialize[T]: ToFromMap[T] = macro impl[T] | |
def impl[T: c.WeakTypeTag](c: Context): c.Expr[ToFromMap[T]] = { | |
import c.universe._ | |
val wt = weakTypeOf[T] | |
// Gets the type parameters, eg Holder[T, J] => List(T, J) | |
val baseTypes = wt.baseClasses.head.asType.typeParams.map{ _.asType.toType } | |
// Gives a Map(T -> Int, J -> Double) if we are extracting Holder[Int, Double] | |
val myTypes = baseTypes zip wt.typeArgs toMap; |
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