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using System;
using System.Collections.Generic;
using System.Text;
namespace Apewer.Source
{
/// <summary>表示此属性对应的字段是主键。</summary>
[AttributeUsage(AttributeTargets.Property)]
public sealed class PrimaryKeyAttribute : Attribute
{
/// <summary>从 <see cref="PrimaryKeyAttribute"/> 到 Boolean 的隐式转换,判断 <see cref="PrimaryKeyAttribute"/> 有效。</summary>
public static implicit operator bool(PrimaryKeyAttribute instance)
{
if (instance == null) return false;
return true;
}
}
}