serjKim

CREATE TABLE #MyLocks
(
	hash VARCHAR(50),
	age int,
)

ALTER TABLE #MyLocks
ADD UNIQUE (hash)

type F<'a> = F of 'a

module Functor =
    // Def
    // map : f:('a -> 'b) -> F<'a> -> F<'b>
    let map f (F x) = F (f x)

    let x = F 123

add app.json, set the newest sdkVersion

{
  "name": "<yourname>",
  "displayName": "<yourname>",
  "expo": {
    "sdkVersion": "25.0.0"
  }
}

create table #rows (id uniqueidentifier, value varchar(10))

insert into #rows
values	('11111111-1111-1111-1111-111111111111', 'a'),
	('22222222-2222-2222-2222-222222222222', 'b'),
	('11111111-1111-1111-1111-111111111111', 'c'),
	('22222222-2222-2222-2222-222222222222', 'd'),
	('11111111-1111-1111-1111-111111111111', 'e'),
	('33333333-3333-3333-3333-333333333333', 'f'),

	{
	// Use IntelliSense to learn about possible attributes.
	// Hover to view descriptions of existing attributes.
	// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
	"version": "0.2.0",
	"configurations": [
	{
	"type": "node",
	"request": "launch",
	"name": "Launch Webpack",

	open System

	type EmployeeEmail =
	\| Email of string
	\| Invalid of string list

	let bind f x =
	match x with
	\| Email x -> f x
	\| Invalid m -> Invalid m

	import 'reflect-metadata';

	type MyDecObj = {a: number};

	const myDecKey = Symbol('design:myDec')

	function MyDec(obj: MyDecObj) {
	return Reflect.metadata(myDecKey, obj);
	}

	private ref: Ref<ScrollView & Component<ScrollViewProps>> = (instance) => {
	this.scrollView = instance;
	}