Querying

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• Basic Querying
• Keyed Querying
• Indexed Querying

Basic Querying

@deftypemethod Collection {(BOOL)} @keyword{-isEmpty} Returns YES if the receiver contains no members; returns NO otherwise.

@deftypemethod Collection {(const char *)} @keyword{-contentEncoding} Returns a description of the C type that the receiving collection can hold. The description is a string of the form returned by the Objective-C @encode directive.

Keyed Querying

Indexed Querying