Lines Matching refs:is
6 # that it exists to define. The use of Exporter below is a historical
10 # whenever UNIVERSAL.pm is loaded.
37 C<UNIVERSAL> is the base class which all bless references will inherit from,
56 is a package name
60 is a blessed reference or a string containing a package name
64 is a package name
68 is any of the above or an unblessed reference
73 C<isa> returns I<true> if $obj is blessed into package C<TYPE> or
78 inherits from (or is itself) the name of the package C<TYPE> or
92 C<isa> returns I<true> in the same cases as above and also if C<VAL> is an
103 then a reference to the sub is returned. If it does not then I<undef> is
113 to the AUTOLOAD. If no suitable AUTOLOAD is provided, calling the coderef
119 When used as a function, if C<VAL> is a blessed reference or package name which
121 If C<VAL> is not a blessed reference, or if it does not have a method
122 C<METHOD>, I<undef> is returned.
127 package the object is blessed into. If C<REQUIRE> is given then
128 it will do a comparison and die if the package version is not
143 makes these functions act as methods on all objects. The one exception is
144 C<isa>, which is useful as a function when operating on non-blessed