Scalar-Util

Scalar::Util(3p) Perl Programmers Reference Guide Scalar::Util(3p)

Scalar-Util

Scalar::Util(3p) Perl Programmers Reference Guide Scalar::Util(3p) # Scalar::Util(3p) Perl Programmers Reference Guide Scalar::Util(3p) NNAAMMEE # Scalar::Util - A selection of general-utility scalar subroutines SSYYNNOOPPSSIISS # use Scalar::Util qw(blessed dualvar isdual readonly refaddr reftype tainted weaken isweak isvstring looks_like_number set_prototype); # and other useful utils appearing below DDEESSCCRRIIPPTTIIOONN # "Scalar::Util" contains a selection of subroutines that people have expressed would be nice to have in the perl core, but the usage would not really be high enough to warrant the use of a keyword, and the size would be so small that being individual extensions would be wasteful. ...