in (C# Reference)
The in keyword is used in the following contexts:
- generic type parameters in generic interfaces and delegates.
- As a parameter modifier, which lets you pass an argument to a method by reference rather than by value.
- foreach statements.
- from clauses in LINQ query expressions.
- join clauses in LINQ query expressions.
See also
Collaborate with us on GitHub
The source for this content can be found on GitHub, where you can also create and review issues and pull requests. For more information, see our contributor guide.
