add Close() and Closed() to ChanValue

R=r
DELTA=60  (56 added, 3 deleted, 1 changed)
OCL=33868
CL=33872
5 files changed
tree: ac488031c2ac65930e9fef6cde4ff196b5a7247b
  1. doc/
  2. include/
  3. lib/
  4. misc/
  5. pkg/
  6. src/
  7. test/
  8. usr/
  9. AUTHORS
  10. LICENSE