Document Mu.so

Author: paultcochrane

lib/Type/Mu.pod

@@ -255,6 +255,20 @@ Takes the given item and passes it to the enclosing C<gather> block.
         take (1 .. $max-lotto-numbers).pick(1);
     }.say;    #-> 32 22 1 17 32 9  (for example)
 
+=head2 method so
+
+    method so()
+
+Returns a C<Bool> value representing the logical non-negation of an
+expression.  One can use this method similarly to the English sentence: "If
+that is B<so>, then do this thing".  For instance,
+
+    my @args = <-a -e -b -v>;
+    my $verbose-selected = any(@args) eq '-v' | '-V';
+    if $verbose-selected.so {
+        say "Verbose option detected in arguments";
+    } #-> Verbose option detected in arguments
+
 =end pod
 
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