2.6 The COMMON-EXTENSIONS module
difference
Open generic function
Summary
Returns a sequence containing the elements of one sequence that are not members of a second.
Signature
difference sequence1 sequence2 #key test => result-sequence
Arguments
- sequence1
- An instance of
<sequence>. - sequence2
- An instance of
<sequence>. - test
- An instance of
<function>. Default value:\==.
Values
- result-sequence
- An instance of
<sequence>.
Library
common-extensions
Module
common-extensions
Description
Returns a sequence containing the elements of sequence1 that are not members of sequence2. You can supply a membership test function as test.
Example
> difference(#(1,2,3), #(2,3,4)); #(1) >