rfc:functional-elements
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rfc:functional-elements [2008/03/16 14:59] lstrojny Linking the iterate() detail page |
rfc:functional-elements [2008/03/17 09:40] lstrojny |
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| * [[rfc::functional-elements:is-traversable|function is_traversable()]]: Returns true if a list is traversable (Iterator/IteratorAggregate/array) | * [[rfc::functional-elements:is-traversable|function is_traversable()]]: Returns true if a list is traversable (Iterator/IteratorAggregate/array) | ||
| * [[rfc:functional-elements:iterate|function iterate()]]: Walks over a traversable list and does nothing | * [[rfc:functional-elements:iterate|function iterate()]]: Walks over a traversable list and does nothing | ||
| - | * function iterator_true(): Walks over a traversable list and assumes every element to be true | + | * function iterator_true(): Walks over a traversable list and assumes every element to be bool(true) |
| - | * function iterator_false(): Walks over a traversable list and assumes every element to be false | + | * function iterator_false(): Walks over a traversable list and assumes every element to be bool(false) |
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| + | ==== Modified use cases ==== | ||
| + | === UC-1: Iterating over an aggregation of objects === | ||
| + | <code php> | ||
| + | iterate(new CallIterator($list, 'method')); | ||
| + | </code> | ||
| + | |||
| + | === UC-2: Iterating over an aggregation of objects and keeping the results === | ||
| + | <code php> | ||
| + | $result = iterate(new CallIterator($list, 'method'), true); | ||
| + | </code> | ||
rfc/functional-elements.txt · Last modified: 2017/09/22 13:28 (external edit)