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

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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
1 changed files with 1 additions and 1 deletions
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Help/command/string.rst
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@@ -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.