$eq_all¶
Usage: $eq_all(x,a1,a2,*args)
Category: conditional
Description:
Returns true if x
equals a1
and a2
, etc. Can be used with an arbitrary
number of arguments. Note that comparisons are case-sensitive.
Functionally equivalent to $and($eq(x,a1),$eq(x,a2) ...)
.
Example:
The following statements will return the values indicated:
$eq_all(A,A,B,C) ==> "" (False)
$eq_all(A,a,A,A) ==> "" (False)
$eq_all(A,A,A,A) ==> "1" (True)
$eq_all(,,,) ==> "1" (True)
$eq_all(,a,) ==> "" (False)