tree a68f25b2da5c318d77ffc0d8e1b5f2432cf04456
parent dc8e90225f967f0e10426d7a6779c815f39482c9
author Francesc Campoy <campoy@golang.org> 1421783108 -0800
committer Francesc Campoy <campoy@golang.org> 1421783108 -0800
golang-hg c37841cbdac8454bc5d8ec47d5b5935cabd092cf

go-tour: improve existing solution for binarytrees.go and add non leaky solution

LGTM=adg
R=adg
CC=golang-codereviews
https://golang.org/cl/196890043