diff options
Diffstat (limited to 'runtime')
| -rw-r--r-- | runtime/doc/eval.txt | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt index 7532bcfba7..7f22bab7f2 100644 --- a/runtime/doc/eval.txt +++ b/runtime/doc/eval.txt @@ -10871,10 +10871,18 @@ text... :const x = 1 < is equivalent to: > :let x = 1 - :lockvar 1 x + :lockvar! x < This is useful if you want to make sure the variable - is not modified. - *E995* + is not modified. If the value is a List or Dictionary + literal then the items also cannot be changed: > + const ll = [1, 2, 3] + let ll[1] = 5 " Error! +< Nested references are not locked: > + let lvar = ['a'] + const lconst = [0, lvar] + let lconst[0] = 2 " Error! + let lconst[1][0] = 'b' " OK +< *E995* |:const| does not allow to for changing a variable. > :let x = 1 :const x = 2 " Error! |