diff options
Diffstat (limited to 'runtime')
| -rw-r--r-- | runtime/doc/eval.txt | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt index 0ac8152144..58759a6053 100644 --- a/runtime/doc/eval.txt +++ b/runtime/doc/eval.txt @@ -2681,6 +2681,8 @@ text... [depth] is relevant when locking a |List| or |Dictionary|. It specifies how deep the locking goes: + 0 Lock the variable {name} but not its + value. 1 Lock the |List| or |Dictionary| itself, cannot add or remove items, but can still change their values. @@ -2694,7 +2696,14 @@ text... |Dictionary|, one level deeper. The default [depth] is 2, thus when {name} is a |List| or |Dictionary| the values cannot be changed. - *E743* + + Example with [depth] 0: > + let mylist = [1, 2, 3] + lockvar 0 mylist + let mylist[0] = 77 " OK + call add(mylist, 4] " OK + let mylist = [7, 8, 9] " Error! +< *E743* For unlimited depth use [!] and omit [depth]. However, there is a maximum depth of 100 to catch loops. |