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lib/Lexical/Sub.pm  view on Meta::CPAN

=head1 BUGS

Subroutine invocations without the C<&> sigil cannot be correctly
processed on Perl versions earlier than 5.11.2.  This is because
the parser needs to look up the subroutine early, in order to let any
prototype affect parsing, and it looks up the subroutine by a different
mechanism than is used to generate the call op.  (Some forms of sigilless
call have other complications of a similar nature.)  If an attempt
is made to call a lexical subroutine via a bareword on an older Perl,
this module will probably still be able to intercept the call op, and
will throw an exception to indicate that the parsing has gone wrong.
However, in some cases compilation goes further wrong before this
module can catch it, resulting in either a confusing parse error or
(in rare situations) silent compilation to an incorrect op sequence.
On Perl 5.11.2 and later, sigilless subroutine calls work correctly,
except for an issue noted below.

Subroutine calls that have neither sigil nor parentheses (around the
argument list) are subject to an ambiguity with indirect object syntax.
If the first argument expression begins with a bareword or a scalar
variable reference then the Perl parser is liable to interpret the call as

lib/Lexical/Var.pm  view on Meta::CPAN

=head1 BUGS

Subroutine invocations without the C<&> sigil cannot be correctly
processed on Perl versions earlier than 5.11.2.  This is because
the parser needs to look up the subroutine early, in order to let any
prototype affect parsing, and it looks up the subroutine by a different
mechanism than is used to generate the call op.  (Some forms of sigilless
call have other complications of a similar nature.)  If an attempt
is made to call a lexical subroutine via a bareword on an older Perl,
this module will probably still be able to intercept the call op, and
will throw an exception to indicate that the parsing has gone wrong.
However, in some cases compilation goes further wrong before this
module can catch it, resulting in either a confusing parse error or
(in rare situations) silent compilation to an incorrect op sequence.
On Perl 5.11.2 and later, sigilless subroutine calls work correctly,
except for an issue noted below.

Subroutine calls that have neither sigil nor parentheses (around the
argument list) are subject to an ambiguity with indirect object syntax.
If the first argument expression begins with a bareword or a scalar
variable reference then the Perl parser is liable to interpret the call as