𝐀𝐝𝐝𝐑𝐚𝐧𝐠𝐞() 𝐭𝐨 𝐜𝐨𝐦𝐛𝐢𝐧𝐞 𝐜𝐨𝐥𝐥𝐞𝐜𝐭𝐢𝐨𝐧𝐬?

 𝐒𝐭𝐢𝐥𝐥 𝐮𝐬𝐢𝐧𝐠 𝐀𝐝𝐝𝐑𝐚𝐧𝐠𝐞() 𝐭𝐨 𝐜𝐨𝐦𝐛𝐢𝐧𝐞 𝐜𝐨𝐥𝐥𝐞𝐜𝐭𝐢𝐨𝐧𝐬?


C# 12 gives us a cleaner alternative with 𝐂𝐨𝐥𝐥𝐞𝐜𝐭𝐢𝐨𝐧 𝐄𝐱𝐩𝐫𝐞𝐬𝐬𝐢𝐨𝐧𝐬.

Instead of creating a list and then calling AddRange(), you can create the final collection in a single expression.




𝐓𝐢𝐧𝐲 𝐍𝐨𝐭𝐞𝐬

✅ AddRange() modifies an existing list.
✅ Collection Expressions create a 𝐧𝐞𝐰 𝐜𝐨𝐥𝐥𝐞𝐜𝐭𝐢𝐨𝐧.
✅ Great for cleaner, more readable code.
✅ Introduced in 𝐂# 12 (.𝐍𝐄𝐓 8).

Small language features like this make your code easier to read, review, and maintain.

Which approach do you prefer?

AddRange() or Collection Expressions?

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