defer: fast lookup existence of $jim::defer
commit06df03f78cb1b23f4e9bd10d7f7f4fab3a16e86f
authorSteve Bennett <steveb@workware.net.au>
Sat, 16 Sep 2017 03:29:34 +0000 (16 13:29 +1000)
committerSteve Bennett <steveb@workware.net.au>
Sat, 16 Sep 2017 05:37:27 +0000 (16 15:37 +1000)
tree7bb35d916ee7ff3706db6b0d83c63a63660ca96d
parenteb1918117c0ae5f2b67d441f2ed459718e79cad4
defer: fast lookup existence of $jim::defer

This speeds up call frame destruction in the common
case that $jim::defer does not exist.

Signed-off-by: Steve Bennett <steveb@workware.net.au>
jim.c