timyates

gcc -o libgreet.so -shared greet.c

timyates

import java.io.IOException ;
import java.nio.file.* ;
import java.nio.file.attribute.BasicFileAttributes ;

import java.util.ArrayList ;
import java.util.Collections ;
import java.util.Comparator ;
import java.util.List ;

public class Test {

timyates

Stream s = Stream.from [1,2,3] filter { it >= 2 } map { it * mult } using mult:2

println s.collect() // prints [ 4, 6 ]

timyates

@Grab('com.googlecode.gbench:gbench:0.3.0-groovy-2.0')
import gbench.*

[10,100,1000,10000,100000].each { max ->
  println "For (1..$max)"
  new BenchmarkBuilder().run( measureCpuTime:false, quiet:true ) {
    'Reverse and take' {
      assert (1..max).reverse().take( 4 ) == [ max, max - 1, max - 2, max - 3 ]
    }
    'Take with backwards listIterator' {

timyates

@GrabResolver( name='bloidonia', root='https://raw.github.com/timyates/bloidonia-repo/master')
@Grab('com.bloidonia:groovy-stream:0.5.1')
import groovy.stream.Stream

@Grab('commons-io:commons-io:2.4')
import org.apache.commons.io.LineIterator

// A copy of "The Raven" by the Brothers Grimm
new URL( 'http://www.cs.cmu.edu/~spok/grimmtmp/070.txt' ).with {

timyates

List list = [
    [id:0, firstName: 'Sachin', lastName: 'Tendulkar', age: 40 ],
    [id:1, firstName: 'Sachin', lastName: 'Tendulkar', age: 103 ],
    [id:2, firstName: 'Ajay', lastName: 'Tendulkar', age: 48 ],
    [id:3, firstName: 'Virendra', lastName: 'Sehwag', age: 5 ],
    [id:4, firstName: 'Virendra', lastName: 'Sehwag', age: 50 ],
    [id:5, firstName: 'Sachin', lastName: 'Nayyar', age: 15 ]
]

Collection.metaClass.sort = { boolean mutate, Closure... closures ->

timyates

Example of core.logic taken from http://objectcommando.com/blog/2011/11/04/the-magical-island-of-kanren-core-logic-intro-part-1/

Slightly adapted to take a parameter

Described a bit here http://blog.bloidonia.com/post/29552846202/using-clojure-and-core-logic-from-groovy

timyates

Object.metaClass.ensureClosed = { Closure c ->
  try {
    c( delegate )
  }
  finally {
    [ delegate ].flatten().each {
      if( it.respondsTo( 'close' ) ) {
        it.close()
      }
    }

timyates

@Grab( 'com.typesafe.akka:akka-actor_2.10:2.3.2' )
@Grab( 'com.typesafe:config:1.2.0' )
import akka.actor.UntypedActor
import akka.japi.Procedure
import akka.actor.ActorSystem
import akka.actor.Props
import com.typesafe.config.ConfigFactory
 
class PingPongActor extends UntypedActor {
    static final String PING = 'PING'

timyates

@Grab( 'org.codehaus.groovy.modules.http-builder:http-builder:0.5.2' )
import groovyx.net.http.RESTClient

// A connection to ensembl
def ensembl = new RESTClient( 'http://beta.rest.ensembl.org/' )

// Get a list of species
def spec = ensembl.get( path:'info/species', 
                        query:[ 'content-type':'application/json' ] )