tree 4d9584d6ea2e22873efacd9c31965918cdcffb4a
parent 2dfe2226811aeadc718d0343d129c3aec8f1b01f
author Nigel Tao <nigeltao@golang.org> 1604918390 +1100
committer Nigel Tao <nigeltao@golang.org> 1604918390 +1100

Make lang/ast Str methods return non-empty for nil