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doc: fix embedding example (#6804)

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Nick Treleaven 2020-11-12 12:50:37 +00:00 committed by GitHub
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doc/docs.md
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@ -1078,16 +1078,25 @@ References are similar to Go pointers and C++ references.
V doesn't allow subclassing, but it supports embedded structs: V doesn't allow subclassing, but it supports embedded structs:
```v ```v
struct Widget {
mut:
x int
y int
}
struct Button { struct Button {
mut:
Widget Widget
title string title string
} }
button := new_button('Click me') mut button := Button{title: 'Click me'}
button.set_pos(x, y) button.x = 3
```
Without embedding we'd have to name the `Widget` field and do:
// Without embedding we'd have to do ```v oksyntax
button.widget.set_pos(x,y) button.widget.x = 3
``` ```
### Default field values ### Default field values