Version: 8.2411.x.x RR

coll

boolean coll:contains(Collection collection, Object element)

Checks whether a collection contains a given element:

#{coll.contains(out.appl.members, 'myApplication'}

Deprecated name: ctx:contains

boolean coll:isEmpty(Collection collection)

Checks whether the given collection is empty.

#{coll:isEmpty(out.appl.members)}

Deprecated name: ctx:isEmpty

int coll:size(Collection collection)

Gets the size of a collection.

#{coll:size(out.appl.members)}

Collection<Map> coll:expand(Collection<Map> collection, String key)

Expands the value of key for each map in the collection.

#{coll:expand(cfg.users, 'groups')}

given:

cfg.users := [ { name = 'joe bloggs', groups = [ 'admin', 'tester'] } ]

the result will be:

[
{ name = 'joe bloggs', groups = 'admin' }
{ name = 'joe bloggs', groups = 'tester' }
]

Collection<?> coll:unique(Collection<?> collection)

Removes duplicates from a collection. If the entries are maps, all key-value pairs have to match.

#{coll:unique(cfg.users)}