泛型约束可以使用在方法中吗?该怎么解决
泛型约束可以使用在方法中吗?
public abstract class DataAccess<TDataTable, TDataContext> : IDisposable
where TDataTable : class, new()
where TDataContext : DataContext, new()
{
}
///如何在某个方法中使用?
public abstract class DataAccess {
public void NewData<TDataTable, TDataContext>()
where TDataTable : class, new()
where TDataContext : DataContext, new()
{}
}
------解决方案--------------------
可以,类似的
public abstract class DataAccess<TDataTable, TDataContext> : IDisposable
where TDataTable : class, new()
where TDataContext : DataContext, new()
{
}
///如何在某个方法中使用?
public abstract class DataAccess {
public void NewData<TDataTable, TDataContext>()
where TDataTable : class, new()
where TDataContext : DataContext, new()
{}
}
------解决方案--------------------
可以,类似的
- C# code
public static void OpTest<T>(T s, T t) where T : class { System.Console.WriteLine(s == t); } static void Main() { string s1 = "foo"; System.Text.StringBuilder sb = new System.Text.StringBuilder("foo"); string s2 = sb.ToString(); OpTest<string>(s1, s2); }