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complete example on attribute name interpolation

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Valentin Gagarin 2023-10-07 02:46:59 +02:00
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32
doc/manual/src/language/string-interpolation.md
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@ -63,16 +63,32 @@ you can instead write
### Attribute name
Attribute names can be created dynamically with string interpolation:
<!--
FIXME: these examples are redundant with the main page on attribute sets.
figure out what to do about that
-->
```nix
let name = "foo"; in
{
${name} = "bar";
}
```
Attribute names can be interpolated strings.
{ foo = "bar"; }
> **Example**
>
> ```nix
> let name = "foo"; in
> { ${name} = 123; }
> ```
>
> { foo = 123; }
Attributes can be selected with interpolated strings.
> **Example**
>
> ```nix
> let name = "foo"; in
> { foo = 123; }.${name}
> ```
>
> 123
# Interpolated expression