[Doc] Improve `thread::spawn` documentation#41854

Merged

bors merged 5 commits intorust-lang:masterfrom

gamazeps:thread-spawn-doc

May 10, 2017

Commits on May 9, 2017

Add more examples to `thread::spawn`
Felix Raimundo
committed
Add a link to `thread::Builder` in `thread::spawn`
Felix Raimundo
committed
Address review comments
Felix Raimundo
committed
Fix warnings in examples
Felix Raimundo
committed

Commits on May 10, 2017

Fix typos in doc
Felix Raimundo
committed