---
title: "build_subscript(_:_:)"
framework: foundation
role: symbol
role_heading: Type Method
path: "foundation/predicateexpressions/build_subscript(_:_:)-are7"
---

# build_subscript(_:_:)

## Declaration

```swift
static func build_subscript<Wrapped, Index>(_ wrapped: Wrapped, _ index: Index) -> PredicateExpressions.CollectionIndexSubscript<Wrapped, Index> where Wrapped : PredicateExpression, Index : PredicateExpression, Wrapped.Output : Collection, Index.Output == Wrapped.Output.Index
```