go version command shows old version number after update to 1.8

Question

Pretty much the title. I downloaded/installed Go 1.8 for OS X, but when I go

$ go version
go version go1.7.5 darwin/amd64

My .bashrc look like

Answer 1

TLDR I've resolved my problem by moving link to go binary from installation folder to /usr/bin/go

---

Step by step:

1. find go binary:

   $which go
   /usr/bin/go
   

2. create symlinks:

   ln -s /usr/local/go/bin/go go
   ln -s /usr/local/go/bin/godoc godoc
   ln -s /usr/local/go/bin/gofmt gofmt
   

3. copy those 3 symlinks to /usr/bin