Apply a callback to an array: Difference between revisions
→{{header|FutureBasic}}
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HandleEvents
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Another option is to enumerate the array.
<syntaxhighlight lang="futurebasic">include "NSLog.incl"
void local fn Callback( array as CFArrayRef, obj as CFTypeRef )
long value = intVal(obj)
NSLog( @"Square root of %ld = %f", value, sqr(value) )
end fn
void local fn DoIt
CFArrayRef array = @[@1, @2, @3, @4, @5, @6, @7, @8, @9, @10]
ArrayEnumerateObjects( array, @fn Callback, NULL )
end fn
fn DoIt
HandleEvents</syntaxhighlight>
{{out}}
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Square root of 10 = 3.162278
</pre>
=={{header|Fōrmulæ}}==
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