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

# build_contains(_:where:)

## Declaration

```swift
static func build_contains<LHS, RHS>(_ lhs: LHS, where builder: (PredicateExpressions.Variable<LHS.Output.Element>) -> RHS) -> PredicateExpressions.SequenceContainsWhere<LHS, RHS> where LHS : PredicateExpression, RHS : PredicateExpression, LHS.Output : Sequence, RHS.Output == Bool
```