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tweak wrapper for delimcc
author
jim
<jim@web>
Thu, 30 Apr 2015 16:19:15 +0000
(12:19 -0400)
committer
Linux User
<ikiwiki@localhost.members.linode.com>
Thu, 30 Apr 2015 16:19:15 +0000
(12:19 -0400)
topics/week13_native_continuation_operators.mdwn
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diff --git
a/topics/week13_native_continuation_operators.mdwn
b/topics/week13_native_continuation_operators.mdwn
index
8d64d2e
..
179b780
100644
(file)
--- a/
topics/week13_native_continuation_operators.mdwn
+++ b/
topics/week13_native_continuation_operators.mdwn
@@
-105,7
+105,9
@@
However, OCaml doesn't have any continuation operators in its standard deploymen
# #load "delimcc.cma";;
# let reset_label = ref None;;
# let reset body = let p = Delimcc.new_prompt () in
- reset_label := Some p; let res = Delimcc.push_prompt p body in reset_label := None; res;;
+ let oldp = !reset_label in
+ reset_label := Some p; let res = Delimcc.push_prompt p body in
+ reset_label := oldp; res;;
# let shift fun_k = match !reset_label with
| None -> failwith "shift must be inside reset"
| Some p -> Delimcc.shift p fun_k;;