如何检查泛型方法参数是否为值类型？ [重复]

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Most efficient way to check if an object is a value type 5 answers
检查对象是否为值类型5答案的最有效方法

Is there a way to check if a variable is value type of reference type?

有没有办法检查变量是否是引用类型的值类型？

Imagine:

想像：

private object GetSomething<T>(params T[] values) 
{
    foreach (var value in values)
    {
        bool is ValueType; // Check if 'value' is a value type or reference type
    }
}

2 个解决方案

#1

bool isValueType = typeof(T).IsValueType;

Job done... it doesn't matter if any of the values is null, and it works even for an empty array.

完成任务...如果任何值为null，则无关紧要，即使对于空数组也是如此。

#2

Your condition will look like

你的病情会是这样的

var cond = false;
if(value != null) 
  cond = value.GetType().IsValueType

#1

bool isValueType = typeof(T).IsValueType;