[swift-build-dev] error: ambiguous use of operator

[Ryan Lovelett]

Sure thing! I actually found someone who was running into a variation on
the same theme. So I'll actually just include their minimal code.


https://github.com/thoughtbot/Argo/pull/432

https://travis-ci.org/ikesyo/Argo/builds/174070096

https://github.com/ikesyo/Argo/tree/829a727861e55eeb454b2c53c5793764f2cdc765/SwiftPMDemo


The attached example.tar.xz file contains all the source in the above
example. It exhibits the same behavior. If you run `swift build` it
fails. If you run `swift package generate-xcodeproj` and build in Xcode
it compiles just fine.




On Mon, Nov 28, 2016, at 04:59 AM, Ankit Agarwal wrote:

> Would you mind reducing this to a minimal package which can reproduce
> this issue?
> 

> On Sat, Nov 26, 2016 at 3:46 AM, Ryan Lovelett via swift-build-dev <swift-build-
> dev at swift.org> wrote:
>> I've got a package that I'm working on that is running into a weird

>>  error. When I run `swift build` it is failing with:

>> 

>>  ```

>>  /private/tmp/langserver-
>>  swift/Sources/JSONRPC/Types/Request.swift:54:46:
>>  error: ambiguous use of operator '<|'

>>          let dMethod: Decoded<String> = (json <| "method")

>>                                               ^

>>  Argo.<|:14:13: note: found this candidate

>>  public func <|<A : Decodable where A == A.DecodedType>(json:
>>  Argo.JSON,
>>  key: String) -> Argo.Decoded<A>

>>              ^

>>  Argo.<|:14:13: note: found this candidate

>>  public func <|<A : Decodable where A == A.DecodedType>(json:
>>  Argo.JSON,
>>  key: String) -> Argo.Decoded<A>

>>  ```

>> 

>>  The problem is that when I tell SwiftPM to build an Xcode project
>>  for me
>>  and build in Xcode then it compiles just fine. You can
>>  experience this
>>  behavior for yourself in this repository:

>> https://github.com/RLovelett/langserver-swift

>> 

>>  Is this a bug in my Package.swift or with SwiftPM?

>>  _______________________________________________

>>  swift-build-dev mailing list

>> swift-build-dev at swift.org

>> https://lists.swift.org/mailman/listinfo/swift-build-dev

> 

> 

> 

> -- 

> Ankit


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.swift.org/pipermail/swift-build-dev/attachments/20161129/8fa1d916/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: example.tar.xz
Type: application/x-xz
Size: 648 bytes
Desc: not available
URL: <https://lists.swift.org/pipermail/swift-build-dev/attachments/20161129/8fa1d916/attachment.xz>