Help: Fix string(JSON ... LENGTH ...) signature

The list of indices and/or member names is optional, i.e., can be
empty. For example, string(JSON foo LENGTH "[0,0,0]") sets foo to 3.
This commit is contained in:
Tobias Nießen 2022-03-30 00:54:43 +00:00 committed by Brad King
parent 00677703d0
commit 2f0a3d43e1

View File

@ -612,7 +612,7 @@ Requires an element of object type.
.. code-block:: cmake
string(JSON <out-var> [ERROR_VARIABLE <error-variable>]
LENGTH <json-string> <member|index> [<member|index> ...])
LENGTH <json-string> [<member|index> ...])
Get the length of an element in ``<json-string>`` at the location
given by the list of ``<member|index>`` arguments.