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docs: add an example of zero padding in string interpolation

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Delyan Angelov 2021-01-23 09:02:28 +02:00
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@ -480,8 +480,9 @@ The compiler takes care of the storage size, so there is no `hd` or `llu`.
```v
x := 123.4567
println('x = ${x:4.2f}')
println('[${x:10}]') // pad with spaces on the left
println('[${int(x):-10}]') // pad with spaces on the right
println('[${x:10}]') // pad with spaces on the left => [ 123.457]
println('[${int(x):-10}]') // pad with spaces on the right => [123 ]
println('[${int(x):010}]') // pad with zeros on the left => [0000000123]
```
### String operators