本文整理汇总了C#中System.Linq.FirstMaybe方法的典型用法代码示例。如果您正苦于以下问题:C# System.Linq.FirstMaybe方法的具体用法?C# System.Linq.FirstMaybe怎么用?C# System.Linq.FirstMaybe使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Linq
的用法示例。
在下文中一共展示了System.Linq.FirstMaybe方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: FirstMaybePredicateWhenNotPresent
public void FirstMaybePredicateWhenNotPresent()
{
var source =
new[]
{
new TestObject {Id = 1}
};
Assert.IsFalse(source.FirstMaybe(x => x.Id == 2).HasValue);
}
示例2: FirstMaybeWhenPresent
public void FirstMaybeWhenPresent()
{
var source =
new[]
{
new TestObject {Id = 1},
new TestObject {Id = 2}
};
Assert.AreSame(source[0], source.FirstMaybe().Value);
}
示例3: FirstMaybePredicateWhenPresent
public void FirstMaybePredicateWhenPresent()
{
var source =
new[]
{
new TestObject {Id = 1},
new TestObject {Id = 2},
new TestObject {Id = 2}
};
Assert.AreSame(source[1], source.FirstMaybe(x => x.Id == 2).Value);
}