yuba

package net.miuras;

import com.sun.istack.internal.NotNull;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.NoSuchElementException;

/**
 * Even if you iterate a CachedIterable object several times, the source Iterable object will be iterated only once.
 *

yuba

package net.miuras;

import com.sun.istack.internal.NotNull;
import java.util.Iterator;
import java.util.NoSuchElementException;
import java.util.concurrent.LinkedBlockingQueue;

/**
 * When you iterate ProducerConsumerIterable object, the source Iterable object will be iterated in another thread, which you can call a producer thread.
 */

yuba

using System;

namespace Common
{
  public static class DateTimeUtil
  {
    /// <summary>
    /// 二つの時刻値の大きい方を返します。
    /// ただし、タイムゾーン設定が異なる場合、Utc>Local>Unspecifiedの優先順位で高い方にそろえます。
    /// LocalをUtcにそろえるときは時刻換算が発生します。

yuba

public static <T1,T2> Iterable<Tuple<T1,T2>> zip (
        final Iterable<? extends T1> src1,
        final Iterable<? extends T2> src2) {
    return new Iterable<Tuple<T1, T2>>() {
        @Override
        public Iterator<Tuple<T1, T2>> iterator() {
            final Iterator<? extends T1> iterator1 = src1.iterator();
            final Iterator<? extends T2> iterator2 = src2.iterator();
            return new Iterator<Tuple<T1, T2>>() {
                @Override

yuba

module Functional {
    export class Either<L, R> {
        constructor(public apply: <TResult>(funcL: (p: L) => TResult, funcR: (p: R) => TResult) => TResult) { }

        static left<L, R>(obj: L): Either<L, R> {
            return new Either<L, R>(<TResult>(funcL: (p: L) => TResult, funcR: (p: R) => TResult) => funcL(obj));
        }

        static right<L, R>(obj: R): Either<L, R> {
            return new Either<L, R>(<TResult>(funcL: (p: L) => TResult, funcR: (p: R) => TResult) => funcR(obj));

yuba

/**
 * 渡されたアクションを先頭からどれか成功するまで順に実行します。すべて失敗した場合最後の例外をRuntimeExceptionでくるんで投げます。
 * Tries to execute given actions until one of them succeeds. Throws RuntimeException if all of them fail.
 */
public class Try {
  public static void these(Runnable... actions) {
    Throwable lastThrown = null;
    for (Runnable action: actions) {
      try {
        action.run();

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public String toString() {
    Iterator<E> it = iterator();
    if (! it.hasNext())
        return "[]";

    StringBuilder sb = new StringBuilder();
    sb.append('[');
    for (;;) {
        E e = it.next();
        sb.append(e == this ? "(this Collection)" : e);

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public interface IEnvironmentFetcher {
    DateTime GetTime();
    …
}

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typedef struct{
    double x;
    double y;
} vector2D;

vector2D nearest(vector2D A, vector2D B, vector2D P) {
    vector2D a, b;
    double r;

    a.x = B.x - A.x;

yuba

CREATE UNIQUE INDEX mail_is_unique ON users (mail)
WHERE status = 0;