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Documentation: reference/reference_lua/strict

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	Module strict
	The :code:`strict` module has functions for turning "strict mode" on or off. When strict mode is on, an attempt to use an undeclared global variable will cause an error. A global variable is considered "undeclared" if it has never had a value assigned to it. Often this is an indication of a programming error.
	By default strict mode is off, unless tarantool was built with the ``-DCMAKE_BUILD_TYPE=Debug`` option -- see the description of build options in section :ref:`building-from-source <building_from_source>`.
	Example:
	tarantool> strict = require('strict') --- ... tarantool> strict.on() --- ... tarantool> a = b -- strict mode is on so this will cause an error --- - error: ... variable ''b'' is not declared' ... tarantool> strict.off() --- ... tarantool> a = b -- strict mode is off so this will not cause an error --- ...

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