Difference between revisions of "Count"
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imported>StDoodle m (} => )) |
imported>Heeheehee m (Logic fix.) |
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FunctionPage| | FunctionPage| | ||
name={{#var:name}}| | name={{#var:name}}| | ||
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function1={{Function| | function1={{Function| | ||
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code= | code= | ||
<syntaxhighlight> | <syntaxhighlight> | ||
| − | item [int] | + | item [int] map; |
boolean newkey(item i) { | boolean newkey(item i) { | ||
map[count(map)] = i; | map[count(map)] = i; | ||
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special=This function returns 0 for an empty map (i.e. with 0 keys). | special=This function returns 0 for an empty map (i.e. with 0 keys). | ||
}} | }} | ||
| + | |||
| + | [[Category:Miscellaneous Functions]] | ||
Latest revision as of 03:50, 7 July 2010
Function Syntax
Returns the number of keys in the specified aggregate.
Code Samples
This example function uses count to create a new key in a map (defined outside the function to hopefully eliminate some confusion).
item [int] map;
boolean newkey(item i) {
map[count(map)] = i;
}See Also
Special
This function returns 0 for an empty map (i.e. with 0 keys).