Data-Rlist

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Rlist.pm.html  view on Meta::CPAN

<p>- leading or trailing whitespace,</p>
</dd>
<dd>
<p>- lexical conventions such as the <code>&quot;0b&quot;</code> (binary), <code>&quot;0&quot;</code> (octal), <code>&quot;0x&quot;</code> (hex) prefix to denote
  a number-base other than decimal, and</p>
</dd>
<dd>
<p>- Perls' legible numbers, e.g. <em>3.14_15_92</em>,</p>
</dd>
<dd>
<p>- the IEEE 754 notations of Infinite and NaN.</p>
</dd>
<dd>
<p>See also</p>
</dd>
<dd>
<pre>
    $ perldoc -q &quot;whether a scalar is a number&quot;</pre>
</dd>
</li>
<dt><strong><a name="item_is_symbol"><em>is_symbol(SCALAR-REF)</em></a></strong>

Rlist.pm.html  view on Meta::CPAN

<p>There are no known bugs, this package is stable.  Deficiencies and TODOs:</p>
<ul>
<li>
<p>The <code>&quot;deparse&quot;</code> functionality for the <code>&quot;code_refs&quot;</code> <a href="#compile_options">compile option</a> has not
yet been implemented.</p>
</li>
<li>
<p>The <code>&quot;threads&quot;</code> <a href="#compile_options">compile option</a> has not yet been implemented.</p>
</li>
<li>
<p>IEEE 754 notations of Infinite and NaN not yet implemented.</p>
</li>
<li>
<p><em><a href="#item_compile_perl">compile_Perl</a></em> is experimental.</p>
</li>
</ul>
<p>
</p>
<hr />
<h1><a name="copyright_license">COPYRIGHT/LICENSE</a></h1>
<p>Copyright 1998-2008 Andreas Spindler</p>

lib/Data/Rlist.pm  view on Meta::CPAN

like  a  integer/float  constant  (numeric  literal).   The function  applies  the  compiled  regex
F<$Data::Rlist::REFloat>.  Note that it doesn't match

- leading or trailing whitespace,

- lexical conventions such as the C<"0b"> (binary), C<"0"> (octal), C<"0x"> (hex) prefix to denote
  a number-base other than decimal, and

- Perls' legible numbers, e.g. F<3.14_15_92>,

- the IEEE 754 notations of Infinite and NaN.

See also

    $ perldoc -q "whether a scalar is a number"

=item F<is_symbol(SCALAR-REF)>

Test for symbolic names.   F<is_symbol> can be used to test whether a  scalar looks like a symbolic
name.   Such strings  need not  to be  quoted.  Rlist  defines symbolic  names as  a superset  of C
identifier names:

lib/Data/Rlist.pm  view on Meta::CPAN

The C<"deparse"> functionality for the C<"code_refs"> L<compile option|/Compile Options> has not
yet been implemented.

=item *

The C<"threads"> L<compile option|/Compile Options> has not yet been implemented.

=item *

IEEE 754 notations of Infinite and NaN not yet implemented.

=item *

F<L</compile_Perl>> is experimental.

=back

=head1 COPYRIGHT/LICENSE

Copyright 1998-2008 Andreas Spindler