using System;

namespace OpenCover.Framework
{
    internal static class HelperExtensions
    {
        public static TRet Maybe<T, TRet>(this T value, Func<T, TRet> action, TRet defValue = default(TRet))
            where T : class
        {
            return (value != null) ? action(value) : defValue;
        }

        public static T Do<T>(this T value, Action<T> action)
            where T : class
        {
            if (value != null) 
                action(value);
            return value;
        }

        public static T Try<T>(this T value, Action<T> action)
            where T : class
        {
            try
            {
                if (value != null)
                    action(value);
            }
            catch (Exception)
            {
                // ignore error
            }
            return value;
        }
    }
}