taichi

/**
 * Asynchronously resolve the module path string id into cb(err, res [, pkg]), where pkg (if defined) is the data from package.json.
 */
declare function resolve(id: string, opts?: Options, callback?: (err?: Error, res?: any, pkg?: any) => string);

interface readFile { (filename: string, encoding: string, callback: (err: NodeJS.ErrnoException, data: string) => void): void; }
interface readFile { (filename: string, options: { encoding: string; flag?: string; }, callback: (err: NodeJS.ErrnoException, data: string) => void): void; }
interface readFile { (filename: string, options: { flag?: string; }, callback: (err: NodeJS.ErrnoException, data: Buffer) => void): void; }
interface readFile { (filename: string, callback: (err: NodeJS.ErrnoException, data: Buffer) => void): void; }

taichi

コードレビューの基本

---

一番大事な事

ソースコードはプロジェクトの共同所有物である

• 誰かだけが触れるコードを無くす

taichi

TypeScript用フルスタック型付きライブラリのご提案 #葉桜JS

https://github.com/teppeis/closure-ts

We need KATA!

異論は認めない。

There are many Typed-AltJS.

taichi

package aaa;

public interface JavaSAM {

    String doIt(int i, String s);

    static void call(JavaSAM ms) {
        System.out.println(ms.doIt(1, "zzzz"));
    }
}

taichi

	public static void main(String[] args) {
		String[] tmpl = { //
				"public void %s(CharSequence msg) {this.delegate.printMessage(Kind.%s,	 msg, null);}",
				"public void %s(Supplier<CharSequence> msg)	 {this.delegate.printMessage(Kind.%s, msg.get(), null);}",
				"public void %s(CharSequence msg,Element e)	 {this.delegate.printMessage(Kind.%s, msg, e);}",
				"public void %s(Supplier<CharSequence> msg,Element e)	 {this.delegate.printMessage(Kind.%s, msg.get(), e);}",
				"public void %s(CharSequence msg,Element e,AnnotationMirror a)	 {this.delegate.printMessage(Kind.%s, msg, e, a);}",
				"public void %s(Supplier<CharSequence> msg,Element e,AnnotationMirror a)	 {this.delegate.printMessage(Kind.%s, msg.get(), e, a);}",
				"public void %s(CharSequence msg,Element e,AnnotationMirror	 a,AnnotationValue v) {this.delegate.printMessage(Kind.%s, msg, e, a, v);}",
				"public void %s(Supplier<CharSequence> msg,Element e,AnnotationMirror	 a,AnnotationValue v) {this.delegate.printMessage(Kind.%s, msg.get(), e, a, v)

taichi

/**
 * @author taichi
 */
public class Zy {

	// これから実装しようとしている処理
	public static Optional<Integer> newFn(Optional<String> s) {
		return s.flatMap(s2 -> {
			Integer i = funkyOldFn(s2);
			return i < 0 ? Optional.empty() : Optional.of(i);

taichi

# JMH 1.10.5 (released 21 days ago)
# VM version: JDK 1.8.0_60, VM 25.60-b23
# VM invoker: C:\jdk1.8.0_60\jre\bin\java.exe
# VM options: -Dfile.encoding=windows-31j -Duser.country=JP -Duser.language=ja -Duser.variant
# Warmup: 10 iterations, 1 s each
# Measurement: 10 iterations, 1 s each
# Timeout: 10 min per iteration
# Threads: 1 thread, will synchronize iterations
# Benchmark mode: Average time, time/op
# Benchmark: json.benchmark.AutoBenchmark.ParserBenchmark.bufferdStream

taichi

public interface AtomicFieldUpdaters {

	static <T> void max(T self, long value, AtomicLongFieldUpdater<T> updater) {
		long max;
		do {
			max = updater.get(self);
			if (value < max) {
				break;
			}
		} while (updater.compareAndSet(self, max, value) == false);

taichi

/*
 * Copyright 2015 SATO taichi
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software

taichi

public class ReturnTypeOverload {

	public static void main(String[] args) {
		Long lv = getValue();
		System.out.println(lv);

		String sv = getValue();
		System.out.println(sv);
	}