Use expect, not unwrap, for missing scalar types
Use expect, not unwrap, for missing scalar types

Reviewed By: kassens

Differential Revision: D26330137

fbshipit-source-id: 7163cc8e17da4ec2dad49d75a07e87c68c4d907b

voideanvalue/relay,facebook/relay,kassens/relay,wincent/relay,xuorig/relay,xuorig/relay,atxwebs/relay,kassens/relay,voideanvalue/relay,atxwebs/relay,facebook/relay,voideanvalue/relay,yungsters/relay,yungsters/relay,wincent/relay,facebook/relay,josephsavona/relay,facebook/relay,kassens/relay,xuorig/relay,xuorig/relay,wincent/relay,voideanvalue/relay,wincent/relay,atxwebs/relay,josephsavona/relay,atxwebs/relay,kassens/relay,yungsters/relay,xuorig/relay,voideanvalue/relay,facebook/relay,facebook/relay,josephsavona/relay,wincent/relay,voideanvalue/relay,wincent/relay,kassens/relay,xuorig/relay,kassens/relay