suzanne.soy/racket
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

docs: remove incorrect sentence about continuation barrier

Browse Source 
It might have been true in the past. More likely, it was intended to
be true in the past, not really true, and not a good idea. Commit
544b7a3d53 may be relevant.
This commit is contained in:
Matthew Flatt 2018-10-29 09:37:51 -06:00
parent ec406dd301
commit 842c6b5a3f
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
pkgs/racket-doc/scribblings/reference/eval-model.scrbl
View File

@ -915,9 +915,8 @@ the marks associated with the relevant frames are also captured.
A @deftech{continuation barrier} is another kind of continuation frame
that prohibits certain replacements of the current continuation with
another. Specifically, a continuation can be replaced by another only
when the replacement does not introduce any continuation barriers. It
may remove continuation barriers only through jumps to continuations
that are a tail of the current continuation. A continuation barrier
when the replacement does not introduce any continuation barriers.
A continuation barrier
thus prevents ``downward jumps'' into a continuation that is protected
by a barrier. Certain operations install barriers automatically; in
particular, when an exception handler is called, a continuation