const groupBy = key => array =>
array.reduce((objectsByKeyValue, obj) => {
const value = obj[key];
objectsByKeyValue[value] = (objectsByKeyValue[value] || []).concat(obj);
return objectsByKeyValue;
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#![allow(unused)] // silence unused warnings while exploring (to comment out) | |
use std::{error::Error, time::Duration}; | |
use tokio::time::sleep; | |
use redis::{ | |
from_redis_value, | |
streams::{StreamRangeReply, StreamReadOptions, StreamReadReply}, | |
AsyncCommands, Client, | |
}; |
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FROM clux/muslrust as build | |
WORKDIR /app/ | |
# Deps caching begins | |
COPY Cargo.toml . | |
COPY Cargo.lock . | |
RUN mkdir src | |
RUN echo "fn main() {}" > src/main.rs |
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import React from 'react'; | |
import { Provider1, Provider2, Provider3 } from './'; | |
function ProviderComposer({ contexts, children }) { | |
return contexts.reduceRight( | |
// kids = accumulator, parent = currentValue | |
(kids, parent) => | |
React.cloneElement(parent, { | |
children: kids | |
}), |
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import 'package:architecture_playground/home_page.dart'; | |
import 'package:architecture_playground/services.dart'; | |
import 'package:flutter/material.dart'; | |
void main() async { | |
// perform long-running tasks before "runApp" to display the native splash screen | |
final services = await Services.initialize(); | |
runApp(ServicesProvider( | |
services: services, |
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package main | |
import "fmt" | |
//Listener is a | |
type Listener struct { | |
ID int | |
} | |
//ListenerInterface is an |