feat(assert): add Assert::blank() method
#43
Merged
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What was changed
Added new
Assert::blank()method. This method is successful if data is blank, .i.e. - empty array, empty string, null or countable object with no elements. It throws exception if non-blank data is present: any boolean data, any number (including 0), any string (including "0"), any countable object with 1 or more elements.See commit history for details.
Why?
In order to fill
Assertmethods libraryChecklist