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As I know Apex is a combination of Java and C# languages (maybe this list should contain more languages).

Speaking about System.runAs, documentation says that it is a method. It looks like it is a static method of System class. But how can then we send written code in block of this method?

System.runAs(u){
    //any lines of code are here
}

Normally we can't pass code lines to method, so it doesn't look like method. So we can't call System.runAs as "method". I didn't find something relevant in Java. Is it an anonymous method, implementation of some interface with anonymous class? Is it something specific only for Apex ?

What is a name of construction System.runAs(u){} ?

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1 Answer 1

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EDIT: In C# they're just called "statements". See https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/using-statement

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    thanks for answer, but I know for what is it using. My question is about what is a proper name of System.runAs(u) {} construction.
    – Oleksandr Berehovskyi
    Nov 30, 2017 at 10:53
  • Ah sorry. I missunderstood - thought you asked how to use it. In C# they're just called statements (docs.microsoft.com/en-us/dotnet/csharp/language-reference/…)
    – Christoph
    Nov 30, 2017 at 11:05
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    can you update your answer with it?
    – Oleksandr Berehovskyi
    Nov 30, 2017 at 11:12
  • Sure. I've added it above the "runAs" explanation
    – Christoph
    Nov 30, 2017 at 11:17
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    They're called statements in Python too. This functionality is similar to how the with keyword works.
    – Adrian Larson ♦
    Nov 30, 2017 at 14:34

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