code review 4230045: gob: make recursive map and slice types work.

gob: make recursive map and slice types work.

Before this fix, types such as
        type T map[string]T
caused infinite recursion in the gob implementation.
Now they just work.

Fixes issue 1518.

[r, 2011-02-25 00:12:21]

Hello rsc (cc: golang-dev@googlegroups.com),

I'd like you to review this change to
https://go.googlecode.com/hg/

[rsc1, 2011-02-25 06:29:14]

LGTM

[r, 2011-02-25 17:45:11]

*** Submitted as http://code.google.com/p/go/source/detail?r=035720db5bdc ***

gob: make recursive map and slice types work.

Before this fix, types such as
        type T map[string]T
caused infinite recursion in the gob implementation.
Now they just work.

Fixes issue 1518.

R=rsc
CC=golang-dev
http://codereview.appspot.com/4230045