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Stream.failed


Operator Type: 

Operator Scope of Action: 

Operator Purpose: 

Operator First Added: 

Operator Altered: 

 Function   [other Function type actions]

 Item   [operators of similar scope]

 Stream parsing   [other Stream parsing operators]

 9.1.0

 


Stream.failed

.failed returns true if the current operation has failed, and false otherwise.

When processing a string, it may be that the string is not what was expected. Thus the .failed operator raises a flag to say this process did not work.