first is pure-Perl and does not have short-circuiting behaviour.

And if you look at the the source just before the pure perl reduce definition we find:

eval <<'ESQ' unless defined &reduce;

# This code is only compiled if the XS did not load

[download]

:-)

So the reduce() in question may, or may not, be pure perl.

In reply to Re^12: Specializing Functions with Currying by adrianh
in thread Specializing Functions with Currying by FoxtrotUniform

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