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doc: minor update for $\{\} (#16440)

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JalonSolov 2022-11-15 11:33:33 -05:00 committed by GitHub
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@ -600,15 +600,15 @@ For more advanced `string` processing and conversions, refer to the
#### String interpolation
Basic interpolation syntax is pretty simple - use `$` before a variable name. The variable will be
converted to a string and embedded into the literal:
Basic interpolation syntax is pretty simple - use `${` before a variable name and `}` after. The
variable will be converted to a string and embedded into the literal:
```v
name := 'Bob'
println('Hello, ${name}!') // Hello, Bob!
```
It also works with fields: `'age = $user.age'`. If you need more complex expressions, use `${}`:
It also works with fields: `'age = ${user.age}'`. You may also use more complex expressions:
`'can register = ${user.age > 13}'`.
Format specifiers similar to those in C's `printf()` are also supported. `f`, `g`, `x`, `o`, `b`,