Collections/csharp/Platform.Collections/Stacks/StackExtensions.cs at master · linksplatform/Collections · GitHub

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using System.Collections.Generic;
using System.Runtime.CompilerServices;

#pragma warning disable CS1591 // Missing XML comment for publicly visible type or member

namespace Platform.Collections.Stacks
{
    /// <summary>
    /// <para>
    /// Represents the stack extensions.
    /// </para>
    /// <para></para>
    /// </summary>
    public static class StackExtensions
    {
        /// <summary>
        /// <para>
        /// Pops the or default using the specified stack.
        /// </para>
        /// <para></para>
        /// </summary>
        /// <typeparam name="T">
        /// <para>The .</para>
        /// <para></para>
        /// </typeparam>
        /// <param name="stack">
        /// <para>The stack.</para>
        /// <para></para>
        /// </param>
        /// <returns>
        /// <para>The</para>
        /// <para></para>
        /// </returns>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static T PopOrDefault<T>(this Stack<T> stack) => stack.Count > 0 ? stack.Pop() : default;

        /// <summary>
        /// <para>
        /// Peeks the or default using the specified stack.
        /// </para>
        /// <para></para>
        /// </summary>
        /// <typeparam name="T">
        /// <para>The .</para>
        /// <para></para>
        /// </typeparam>
        /// <param name="stack">
        /// <para>The stack.</para>
        /// <para></para>
        /// </param>
        /// <returns>
        /// <para>The</para>
        /// <para></para>
        /// </returns>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static T PeekOrDefault<T>(this Stack<T> stack) => stack.Count > 0 ? stack.Peek() : default;
    }
}