---
title: Publishers.DropWhile
framework: combine
role: symbol
role_heading: Structure
path: combine/publishers/dropwhile
---

# Publishers.DropWhile

A publisher that omits elements from an upstream publisher until a given closure returns false.

## Declaration

```swift
struct DropWhile<Upstream> where Upstream : Publisher
```

## Topics

### Creating a drop while publisher

- [init(upstream:predicate:)](combine/publishers/dropwhile/init(upstream:predicate:).md)

### Declaring supporting types

- [Publishers.DropWhile.Output](combine/publishers/dropwhile/output.md)
- [Publishers.DropWhile.Failure](combine/publishers/dropwhile/failure.md)

### Inspecting publisher properties

- [upstream](combine/publishers/dropwhile/upstream.md)
- [predicate](combine/publishers/dropwhile/predicate.md)

## Relationships

### Conforms To

- [Publisher](combine/publisher.md)

## See Also

### Applying sequence operations to elements

- [Publishers.DropUntilOutput](combine/publishers/dropuntiloutput.md)
- [Publishers.Drop](combine/publishers/drop.md)
- [Publishers.TryDropWhile](combine/publishers/trydropwhile.md)
- [Publishers.Concatenate](combine/publishers/concatenate.md)
- [Publishers.PrefixWhile](combine/publishers/prefixwhile.md)
- [Publishers.TryPrefixWhile](combine/publishers/tryprefixwhile.md)
- [Publishers.PrefixUntilOutput](combine/publishers/prefixuntiloutput.md)