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string-interpolation: fix headline level #3147

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Jan 22, 2025
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string-interpolation: fix headline level #3147

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6 changes: 3 additions & 3 deletions _overviews/scala3-book/string-interpolation.md
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Expand Up @@ -28,7 +28,7 @@ println(s"$name is $age years old") // "James is 30 years old"
Using string interpolation consists of putting an `s` in front of your string
quotes, and prefixing any variable names with a `$` symbol.

### Other interpolators
## String Interpolators

The `s` that you place before the string is just one possible interpolator that Scala
provides.
Expand All @@ -38,7 +38,7 @@ Further, a string interpolator is just a special method, so it is possible to de
own. For instance, some database libraries define a `sql` interpolator that returns a
database query.

## The `s` Interpolator (`s`-Strings)
### The `s` Interpolator (`s`-Strings)

Prepending `s` to any string literal allows the usage of variables directly in the string. You've already seen an example here:

Expand Down Expand Up @@ -121,7 +121,7 @@ age: 30
{% endtab %}
{% endtabs %}

## The `f` Interpolator (`f`-Strings)
### The `f` Interpolator (`f`-Strings)

Prepending `f` to any string literal allows the creation of simple formatted strings, similar to `printf` in other languages. When using the `f`
interpolator, all variable references should be followed by a `printf`-style format string, like `%d`. Let's look at an example:
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