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- SetMinus
- Difference between to set objects, -
- Usage
- SetMinus(set1,set2)
- Arguments
- set1,set2 (ARRAY or SET) : these two arguments must have the same type
- Returned Object
- SetMinus returns a set object of the same type as its two arguments, i.e. either ARRAY or SET. If either set1 or set2 is Undef, returns Undef.
- Description
- SetMinus(set1,set2) returns the set object made up by the objects of set1 that are not in set2 If set1 and set2 are ARRAYs, SetMinus(set1,set2) preserves in the resulting ARRAY the order of elements of set1.
- Note
-
SetMinus can also be invoked with the minus sign -.
Examples
AML>SetMinus([1,2,3],[3,1,4])
<ARRAY(ANY)>[2]
AML> SetMinus(Set(1,2,3,4,5),Set(1,3,5,6,7))
<SET(ANY)>[2,4]
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