Serhii Potapov greyblake

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#StandWithUkraine

La suerte se burla de mi otra vez... En forma de m̶u̶j̶e̶r̶ JS...

greyblake / Result.ts

Created December 22, 2021 20:22

Result in TypeScript with normal pattern matching

	type ResultInner<T, E> =
	\| { type: 'OK', value: T }
	\| { type: 'ERROR', error: E };

	interface MatchHandlers<T, E, R> {
	ok: (value: T) => R,
	err: (error: E) => R,
	}

	class Result<T, E> {

greyblake / remoteData.ts

Created August 16, 2021 21:19

	// USAGE EXAMPLE

	render() {
	const { currentUserState, nearEnv } = this.state;

	return currentUserState.match({
	notAsked: () => <HomePage />,
	loading: () => <HomePage />,
	failure: (err) => <>Error occurred</>,
	success: (user) => <AppRouter currentUser={user} nearEnv={nearEnv} />,

greyblake / whatlang_vs_lingua.rs

Created April 22, 2021 16:31

Whatlang VS Lingua Performance

	use lingua::LanguageDetectorBuilder;
	use std::time::Instant;

	const N: usize = 10_000;

	fn main() {
	let goethe = "Wir sollen eben nicht in Ruhe bleiben! Gleich wird uns, wenn wir zu genießen denken, Zur Übung unsrer Tapferkeit ein Feind, Zur Übung der Geduld ein Freund gegeben";
	let pushkin = "Я помню чудное мгновенье: Передо мной явилась ты, Как мимолетное виденье, Как гений чистой красоты.";

	let detector = LanguageDetectorBuilder::from_all_languages().build();

greyblake / rust-playground.sh

Last active March 12, 2021 16:56

Creates new rust project and runs `cargo watch` with vim in tmux

	#!/bin/sh

	PLAYGROUNDS_DIR="/tmp/rust-playgrounds"
	TIMESTAMP=$(date +"%Y%m%d%H%M%S")
	PROJECT_DIR="${PLAYGROUNDS_DIR}/playground${TIMESTAMP}"

	cargo new $PROJECT_DIR
	cd $PROJECT_DIR

	# Add dependencies

greyblake / http-poll.spec.ts

Last active December 2, 2018 21:23

http-poll

	import { throwError, of, interval, Observable } from 'rxjs';
	import { take, filter, map, concatMap, catchError } from 'rxjs/operators';

	import { httpPoll, isNotReady } from './http-poll';

	function buildError(code) {
	return {
	error: {
	errors: [{ code }]
	}

greyblake / .travis.yml

Created September 15, 2018 14:40

Minimal rust setup for travis ci

	language: rust
	rust:
	- stable
	install:
	- rustup component add rustfmt-preview
	- rustup component add clippy-preview
	script:
	- cargo fmt -- --check
	- touch ./src/main.rs && cargo clippy -- -D warnings
	- cargo test

greyblake / binary_data_comparison_direct_vs_md5.rb

Created February 19, 2018 10:22

	require "securerandom"
	require "digest/md5"
	require "benchmark"

	data1 = SecureRandom.random_bytes(5 * 1024 * 1024)
	data2 = data1.dup

	N = 500

	Benchmark.bm do \|x\|

greyblake / log_exec.rs

Created January 17, 2018 21:09

Log exec

	use std::time::Duration;
	use std::time::Instant;

	// Executes `func` and logs warning or error message if it takes longer than specified.
	pub fn log_exec<F, T>(label: &str, warn_millis: u64, error_millis: u64, func: F) -> T where F: FnOnce() -> T {
	let warn_duration = Duration::from_millis(warn_millis);
	let error_duration = Duration::from_millis(error_millis);

	let start = Instant::now();
	let output = func();

greyblake / list_enum.rs

Created July 4, 2017 23:10

	macro_rules! list_enum {
	( $type:ident, { $($el:ident),* } ) => {
	#[derive(Debug,Clone,Copy)]
	enum $type{
	$($el),*
	}

	impl $type {
	pub fn list() -> &'static[$type] {
	const LIST : &'static[$type] = &[$($type::$el),*];

greyblake / hyper011_api_client_example.rs

Created June 28, 2017 22:19