The `go switch` function allows you to easily switch you current Go version

go-switch-bash

# to add to your ~/.bashrc or your ~/.zshrc file. Usage: $ go switch 1.18.1
function go() {
  case $* in
    switch* )
        shift 1
        gobindir=$(go env GOBIN)
        # adapt to a valid directory at the beginning of your $PATH if you're not on systemd
        homebindir=$(systemd-path user-binaries)
        go install golang.org/dl/go"$@"@latest
        $gobindir/go"$@" download
        ln -sf $gobindir/go"$@" $homebindir/go
        echo "$@ was symlinked to $homebindir/go ; You can run 'go version' to check."
        ;;
    * )
        command go "$@"
        ;;
  esac
}

Demo: