[cast]
Description
This is a shortcut to programmatically re-cast an element to a new type.
Parameters
-in
custom type, required The element to re-cast.
-as
string, required The target type.
Sample Usage
// testing
var('types') = array(
'array',
'boolean',
'bytes',
'date',
'decimal',
'duration',
'integer',
'map',
'pair',
'string',
);
iterate($types, local('t'));
var('foo' = '2');
cast($foo, -as=#t);
$foo + ': ' + $foo->type;
'<br>\n';
/iterate;
'<hr>\n';
var('bar' = '<?xml version="1.0"?><root><record>hi</record></root>');
$bar->type;
'<br>\n';
cast($bar, -as='xml');
$bar->type;
Source Code
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1
define_tag(
'cast',
-required='in',
-required='as',
-priority='replace',
-description='Casts the given object as the given type.'
);
protect;
if(#as == 'bytes');
local('x' = bytes);
#x->importstring(string(#in));
#in = #x;
else;
#in = tags->find(#as)->run(
-params=array(#in)
);
/if;
/protect;
/define_tag;
Related Tags
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