Module collection-utilities
The collection-utilities module.
Exported from
Library collection-extensions
Summary
Module collection-utilities
The collection-utilities module.
collection-utilities names
collection-utilities names
key-exists?
singleton?
The various modules in this library contain a few new types and operations which are compatible with the collection types specified in the
Dylan Reference Manual
, but which are not part of that specification.
Returns #t if a key is in a collection.
A generic function.