dammit operator
短语词形变化
释义与例句
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1.
The operator ! in the C# programming language, used to indicate to the compiler that a possibly null reference will not be null at that point.
俚语 计算机 工程 数学If you have a reference that the compiler presumes could be null […] but which you have good reason to believe will never be null, you can tell the compiler this by using the null forgiving operator […] It is sometimes known informally as the dammit operator, because being an exclamation mark makes it look like a slightly exasperated kind of assertion.
However, C# 8 does have a feature (which I've heard referred to as the dammit operator) that allows you to insist that, despite what the compiler believes, you know the variable will not be null; […]
When we've filtered out all the null elements from our collection, we apply the dammit operator to the argument for ToTitleCase, as shown in Listing 2-34.