empty(a)
|
Group |
Returns true if the text a has a length of 0.
Important hint: Not to be confused with function is empty(a) !
Description of Parameters
|
Parameter |
Description |
|
a |
Value. |
Examples
In the example, blanks are represented by underscores for illustrative purposes.
|
Parameter a |
Result |
|
true |
|
|
nonempty |
false |
|
____ |
false |