Finds the first element in the collection that satisfies the predicate - CSharp System.Collections.Generic

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Description

Finds the first element in the collection that satisfies the predicate

Demo Code


using System.Linq;
using System.Collections.Generic;
using System.Collections;
using System;/*from   w ww  .  jav a  2 s  . co m*/

public class Main{
        /// <summary>
        /// Finds the first element in the collection that satisfies the predicate
        /// </summary>
        /// <typeparam name="T">Type of the predicate</typeparam>
        /// <param name="collection">Collection to search</param>
        /// <param name="predicate">Predicate to satisfy</param>
        /// <returns>The first element to satisfy the predicate</returns>
        /// <remarks>If the predicate can not be satisfied default(T) is returned</remarks>
        public static T Find<T>(this IEnumerable collection, Predicate<T> predicate)
        {
            return collection.Cast<T>().Find(predicate);
        }
        /// <summary>
        /// Finds the first element in the collection that satisfies the predicate
        /// </summary>
        /// <typeparam name="T">Type of the collection</typeparam>
        /// <param name="collection">Collection to search</param>
        /// <param name="predicate">Predicate to satisfy</param>
        /// <returns>The first element to satisfy the predicate</returns>
        /// <remarks>If the predicate can not be satisfied default(T) is returned</remarks>
        public static T Find<T>(this IEnumerable<T> collection, Predicate<T> predicate)
        {
            return collection.FirstOrDefault(t => predicate(t));
        }
}

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