Properly report observable returning nullptr
authorAndrii Grynenko <andrii@fb.com>
Wed, 31 Aug 2016 21:12:57 +0000 (14:12 -0700)
committerFacebook Github Bot 6 <facebook-github-bot-6-bot@fb.com>
Wed, 31 Aug 2016 21:23:32 +0000 (14:23 -0700)
commit2f9872199a404b4290d81619520f04295864b16e
tree2f0bf0bc4c3df5a4164d9918323c40f9553d2c39
parentbd2c1914088db87635702ceaaec2a10258773e12
Properly report observable returning nullptr

Summary: Make sure exception is propagated to caller (especially when Observer is just created).

Reviewed By: yfeldblum

Differential Revision: D3798991

fbshipit-source-id: cee8452cfd40dcfbaf0e2ae2c2ee628af0362c6e
folly/experimental/observer/Observable-inl.h