Would it be possible to declare a function that can be called like the built-in sort(), particularly: 

myfunc 1, 2, 3, 4;
myfunc { $a->[0] cmp $b->[0] } 1, 2, 3, 4;

The Prototypes section in perlsub suggests that this is not possible.

In reply to Prototype like sort()? by perlancar

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