Scope modifiers: Difference between revisions
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The modifiers are <code>local</code> and, for recent versions of Pari, <code>my</code>. See the User's Guide to PARI/GP. |
The modifiers are <code>local</code> and, for recent versions of Pari, <code>my</code>. See the User's Guide to PARI/GP. |
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=={{header|Pascal}}== |
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See [[Scope_modifiers#Delphi | Delphi]] |
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=={{header|Perl}}== |
=={{header|Perl}}== |
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Usually, <code>my</code> is preferable to <code>local</code>, but one thing <code>local</code> can do that <code>my</code> can't is affect the special punctuation variables, like <code>$/</code> and <code>$"</code>. Actually, in perl 5.9.1 and later, <code>my $_</code> is specially allowed and works as you would expect. |
Usually, <code>my</code> is preferable to <code>local</code>, but one thing <code>local</code> can do that <code>my</code> can't is affect the special punctuation variables, like <code>$/</code> and <code>$"</code>. Actually, in perl 5.9.1 and later, <code>my $_</code> is specially allowed and works as you would expect. |
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=={{header|Perl 6}}== |
=={{header|Perl 6}}== |
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Perl 6 has a system of declarators that introduce new names into various scopes. |
Perl 6 has a system of declarators that introduce new names into various scopes. |
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