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Add name parameter and box.error.is function description to box.error. #5112

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merged 4 commits into from
May 22, 2025
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Add name parameter and box.error.is function description to box.error. #5112

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908ab26
Add description of the ``name`` parameter
AArdeev May 14, 2025
c170d0a
Add description of box.error.is function
AArdeev May 14, 2025
6721644
Update by comments
AArdeev May 14, 2025
cddd939
Fix by comment and fix typo
AArdeev May 15, 2025
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4 changes: 4 additions & 0 deletions doc/reference/reference_lua/box_error.rst
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Expand Up @@ -275,6 +275,9 @@ Below is a list of ``box.error`` functions and related objects.

* - :doc:`./box_error/set`
- Set the specified error as the last system error explicitly

* - :doc:`./box_error/is`
- Verify whether the specified argument is an error

* - :doc:`./box_error/error_object`
- An object that defines an error
Expand All @@ -288,4 +291,5 @@ Below is a list of ``box.error`` functions and related objects.
box_error/clear
box_error/new
box_error/set
box_error/is
box_error/error_object
28 changes: 28 additions & 0 deletions doc/reference/reference_lua/box_error/is.rst
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@@ -0,0 +1,28 @@
.. _box_error-is:

===============================================================================
box.error.is()
===============================================================================

.. function:: box.error.is(object_name)

**Since:** :doc:`3.2.0 </release/3.2.0>`

The ``box.error.is`` function allows verify whether the specified argument is an error.

:param object_name object_name: the subject of the request

**Return type:**
boolean

**Example**

.. code-block:: lua
tarantool> box.error.is(box.error.new(box.error.UNKNOWN))
---
- true
...
tarantool> box.error.is('foo')
---
- false
...