Note that macros != templates
Good call, @chris-morgan and @cmr!
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@ -200,7 +200,10 @@ The second point is the `println!()` part. This is calling a Rust **macro**,
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which is how metaprogramming is done in Rust. If it were a function instead, it
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would look like this: `println()`. For our purposes, we don't need to worry
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about this difference. Just know that sometimes, you'll see a `!`, and that
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means that you're calling a macro instead of a normal function.
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means that you're calling a macro instead of a normal function. One last thing
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to mention: Rust's macros are significantly different than C++ templates, if
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you've used those. Don't be scared of using macros. We'll get to the details
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eventually, you'll just have to trust us for now.
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Next, `"Hello, world"` is a **string**. Strings are a surprisingly complicated
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topic in a systems programming language, and this is a **statically allocated**
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