Removed a confusing FnOnce example#63845

Merged

bors merged 2 commits intorust-lang:masterfrom

DevQps:47091-remove-bad-example

Aug 27, 2019

Commits on Aug 24, 2019

Removed the confusing FnOnce example. closes #47091
Christian
committed
Added an extra line to make the formatting conform to the rest of the document.
Christian
committed