Tinderbox v9 Icon

Dictionary.contains(key)


Operator Type: 

Operator Scope of Action: 

Operator Purpose: 

Operator First Added: 

Operator Altered: 

 Function   [other Function type actions]

 Item   [operators of similar scope]

 Query Boolean   [other Query Boolean operators]

 9.0.0

 


The expression:

$MyDictionary.contains(key) 

is true if the dictionary contains the designated key.

Dictionaries are case-sensitive, but Dictionary.icontains(key) is available for case-insensitive matching.