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sealed interface Validator {
    fun validate(value: String): Int?
}

object RequiredValidator : Validator {
    override fun validate(value: String): Int? =
        if (value.isNotBlank()) null else ValidationError.Required
}

object EmailValidator : Validator {

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data class CounterUiState(val counter: Int = 0) : State

sealed class CounterAction : Action {
    object Increment : CounterAction()
    object Decrement : CounterAction()
    data class SetValue(val value: Int) : CounterAction()
}

class CounterViewModel : ViewModel() {
  

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@Composable
fun DatePicker(
    label: String,
    value: String,
    onValueChange: (String) -> Unit = {},
    keyboardActions: KeyboardActions = KeyboardActions.Default,
    keyboardOptions: KeyboardOptions = KeyboardOptions.Default,
    pattern: String = "yyyy-MM-dd",
) {
    val formatter = DateTimeFormatter.ofPattern(pattern)

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{
    "[rust]": {
        "editor.formatOnSave": true
    },
    "[typescript]": {
        "editor.formatOnSave": true
    },
    "[typescriptreact]": {
        "editor.formatOnSave": true
    },

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import kotlin.random.Random

fun main() {
    val secretNumber = Random.nextInt(1, 100)

    var numTries = 0
    var numTriesLeft: Int
    var gameWon = false

    println("Welcome to Guess a number!")

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@ExperimentalComposeUiApi
@Composable
fun LoginScreen(
    viewModel: LoginViewModel,
    navigateToOverview: () -> Unit = {},
    onBack: () -> Unit = {},
) {
    val uiState by viewModel.uiState.collectAsState()

    val (username, setUsername) = viewModel.username

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// See: https://github.com/vercel/next.js/blob/canary/examples/api-routes-apollo-server/pages/api/graphql.js

import {AsyncExecutor} from '@graphql-tools/delegate';
import {introspectSchema, wrapSchema} from '@graphql-tools/wrap';
import {ApolloServer} from 'apollo-server-micro';
import {print} from 'graphql';
import fetch from 'isomorphic-unfetch';
import {NextApiRequest, NextApiResponse} from 'next';
import getConfig from 'next/config';

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import {ApolloServer} from 'apollo-server-micro';
import {NextApiRequest, NextApiResponse} from 'next';

import {resolvers} from '@/graphql/resolvers';

import typeDefs from '@/graphql/schema.graphql';

const handler = async (req: NextApiRequest, res: NextApiResponse) => {
  return new ApolloServer(
    resolvers,

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// Example button component

import shouldForwardProp from '@styled-system/should-forward-prop';
import {darken, lighten} from 'polished';
import React, {FunctionComponent, forwardRef} from 'react';
import {variant as variantFn} from 'styled-system';

import {
  Box,
  BoxPropsWithRef,

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name: CI
on: [push]
jobs:
  schema:
    name: Schema
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@master
    - name: Inspect Schema