c#Func依頼
4427 ワード
public delegate TResult Func<in T, out TResult>(T arg);パラメータタイプ
T:この依頼メソッドのパラメータタイプ
TResult:この委任メソッドの戻り値タイプ
Arg:この委任パッケージメソッドのパラメータ
using System;
namespace
{
//
class Program
{
public static string UppercaseString(string name)
{
return name.ToUpper();
}
public static void Main()
{
Func<string, string> translation = UppercaseString;
string name = "make";
Console.WriteLine(translation(name));
}
}
}using System;
namespace
{
//
class Program
{
//
public static void Main()
{
Func<string, string> translation = delegate (string s) { return s.ToUpper(); };
string name = "make";
Console.WriteLine(translation(name));
}
}
}using System;
namespace
{
//
class Program
{
// lambda
public static void Main()
{
Func<string, string> translation = x => x.ToUpper();
string name = "make";
Console.WriteLine(translation(name));
}
}
}