That's wrong.

A comma separated list returns the last value in scalar context, otherwise it always depends on the operator.

update

surrounding a LIST with (...)[-1] is a reliable way to get the last element

  DB<7> x (1..5)[-1]
0  5
  DB<8>
[download]

update

see also

• List's terminology and Parentheses in Perl
• Examples for "LIST", "list context", "list value", "list assigment", "list operator"

That's wrong.

got an example of a "list in scalar context" or "comma operator in scalar context" or whatever that returns something other than the last value? wantarray is cheating

 sub f { %hash }
- Ron

that doesn't make what glycine wrote any less wrong

I didn't reply to glycine.
- Ron