patch 8.2.0298: Vim9 script: cannot start command with a string constant
Problem: Vim9 script: cannot start command with a string constant.
Solution: Recognize expression starting with '('.
diff --git a/runtime/doc/vim9.txt b/runtime/doc/vim9.txt
index c79ae62..05c1c8e 100644
--- a/runtime/doc/vim9.txt
+++ b/runtime/doc/vim9.txt
@@ -131,21 +131,23 @@
Using `:call` is still possible, but this is discouraged.
A method call without `eval` is possible, so long as the start is an
-identifier or can't be an Ex command. It does not work for string constants: >
+identifier or can't be an Ex command. It does NOT work for string constants: >
myList->add(123) " works
g:myList->add(123) " works
[1, 2, 3]->Process() " works
#{a: 1, b: 2}->Process() " works
{'a': 1, 'b': 2}->Process() " works
"foobar"->Process() " does NOT work
- eval "foobar"->Process() " works
+ ("foobar")->Process() " works
+ 'foobar'->Process() " does NOT work
+ ('foobar')->Process() " works
In case there is ambiguity between a function name and an Ex command, use ":"
to make clear you want to use the Ex command. For example, there is both the
`:substitute` command and the `substitute()` function. When the line starts
with `substitute(` this will use the function, prepend a colon to use the
command instead: >
- :substitute(pattern(replacement(
+ :substitute(pattern (replacement (
No curly braces expansion ~