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# concentric(minimum:)

A rounded corner style where the corner’s radius shares a center
point with the container shape’s corner radius, with an optional
minimum radius.

```
static func concentric(minimum: Edge.Corner.Style? = nil) -> Edge.Corner.Style
```

## Discussion

When a corner is concentric to its container, the system
calculates the corner radius to equal the container shape’s corner
radius minus the distance between corners. If the radius that the
system calculates is less than the minimum radius you provide, the
system uses the minimum radius. When the system calculates a zero
radius, the corner is square.

---

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