Call a function: Difference between revisions
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Most arguments are passed by reference. Some built-in functions accept arguments (e.g., flags) that are not <code>GEN</code>s; these are passed by value or reference depending on their [[C]] type. See the User's Guide to the PARI Library section 5.7.3, "Parser Codes". |
Most arguments are passed by reference. Some built-in functions accept arguments (e.g., flags) that are not <code>GEN</code>s; these are passed by value or reference depending on their [[C]] type. See the User's Guide to the PARI Library section 5.7.3, "Parser Codes". |
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=={{Header|Perl}}== |
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<lang perl>foo(); |
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&foo('foo', 'bar'); # Older style syntax with explicit sigil |
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foo; # Bareword syntax only works after the function declaration |
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foo 'foo', 'bar'; # As a list operator |
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# Coderef syntax, for references obtained by assigning a subroutine to a |
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# scalar or by taking a reference with the \ operator |
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&$fooref('foo', 'bar'); |
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&{$fooref}('foo', 'bar'); |
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$fooref->('foo', 'bar');</lang> |
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=={{header|Perl 6}}== |
=={{header|Perl 6}}== |
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