---
title: "isStrictSuperset(of:)"
framework: swift
role: symbol
role_heading: Instance Method
path: "swift/rangeset/isstrictsuperset(of:)"
---

# isStrictSuperset(of:)

Returns a Boolean value that indicates whether this range set is a strict superset of the given set.

## Declaration

```swift
func isStrictSuperset(of other: RangeSet<Bound>) -> Bool
```

## Parameters

- `other`: A range set to compare against.

## Return Value

Return Value true if this range set is a strict superset of other; otherwise, false.