evazamtz

import shapeless._
import shapeless.labelled.{FieldType, KeyTag}
import syntax.singleton._

sealed trait JSON
case object JsNull extends JSON
case class JsNumber(v:Double) extends JSON
case class JsString(s:String) extends JSON
case class JsBool(b:Boolean) extends JSON
case class JsArray(values:Vector[JSON]) extends JSON

evazamtz

<?php

class m190912_125724_introduce_external_payment_orders extends EDbMigration
{
	public function safeUp()
	{
	    $this->executeMulti([
	        'ALTER TABLE tbl_payment_order ADD COLUMN BIGINT owner_customer_id',
            'ALTER TABLE tbl_payment_order ADD CONSTRAINT fk_payment_order_owner_customer_id FOREIGN KEY(owner_customer_id) REFERENCES tbl_customer(id) ON UPDATE CASCADE ON DELETE RESTRICT',
            'ALTER TABLE tbl_bank_client_import DROP CONSTRAINT fk_bank_client_import_sbd_id',

evazamtz

sealed trait Method
case object GET extends Method
case object POST extends Method

case class Request(method:Method, uri:String)


class Response(code:Int, headers:Map[String,String], body:String) {

evazamtz

<?php
class PimPayApi_JsonRpcClient {
    protected $_privateKeyContents = null;
    protected $_digestAlgo = null;

    public function __construct($privateKeyContents, $digestAlgo)
    {
        $this->_privateKey = $privateKeyContents;
        $this->_digestAlgo = $digestAlgo;
    }

evazamtz

sealed trait Stream[+A] {

  def headOption:Option[A] = this match {
    case SCons(h, _) => Some(h())
    case _ => None
  }

  def toList:List[A] = this match {
    case SCons(h, t) => h() +: t().toList
    case _ => Nil

evazamtz

- List(1,2,3,4).map(_ + 10).filter(_ % 2 == 0).map(_ * 3)
- List(1,2,3,4).map(_ + 10).filter(_ % 2 == 0).map(_ * 3)
  List(11,12,13,14).filter(_ % 2 == 0).map(_ * 3)
- def square(x: Double): Double = x * x
  false && { println("!!"); true }
  true || { println("!!"); false }
- def if2[A](cond: Boolean, onTrue: () => A, onFalse: () => A): A = if (cond) onTrue() else onFalse() 

evazamtz

WITH

-- выборка пар клиент-площадка
pairs AS (
       SELECT customer_id, platform FROM tbl_customer_platform_connector
       ---CUSTOMER_FILTER--- WHERE customer_id = :customer_id
       GROUP BY customer_id, platform
)

-- выборка параметров площадок из перекрываемого справочника по всем парам клиент-площадка

evazamtz

import my._
import scala.language.experimental.macros


object MetricType {
  trait PV
  trait S
}

trait MetricQueryParamTypeClass[A, M]

evazamtz

package my {
  import scala.reflect.macros.whitebox.Context
  import scala.language.experimental.macros
  import scala.annotation.StaticAnnotation
  import scala.annotation.compileTimeOnly

  object Impl {
    def implPV(c:Context)(annottees: c.Expr[Any]*): c.Expr[Any] = impl(Seq("PV"))(c)(annottees:_*)
    def implS(c:Context)(annottees: c.Expr[Any]*): c.Expr[Any]  = impl(Seq("S"))(c)(annottees:_*)
    def implPVS(c:Context)(annottees: c.Expr[Any]*): c.Expr[Any]  = impl(Seq("PV", "S"))(c)(annottees:_*)

evazamtz

trait Nat
case object Z extends Nat
case class S[N <: Nat](n: N) extends Nat

type One = S[Z.type]
type Two = S[One]
type Three = S[Two]
type Four = S[Three]
type Five = S[Four]
type Six = S[Five]