AskedQ

AskedQ["key"]

is a construct for use inside AskFunction that gives True if a value is currently associated with key, and False otherwise.

Examples

Basic Examples  (2)

Use AskedQ to verify if a key has been asked:

Use AskedQ as the condition of a loop:

Wolfram Research (2016), AskedQ, Wolfram Language function, https://reference.wolfram.com/language/ref/AskedQ.html.

Text

Wolfram Research (2016), AskedQ, Wolfram Language function, https://reference.wolfram.com/language/ref/AskedQ.html.

BibTeX

@misc{reference.wolfram_2021_askedq, author="Wolfram Research", title="{AskedQ}", year="2016", howpublished="\url{https://reference.wolfram.com/language/ref/AskedQ.html}", note=[Accessed: 03-August-2021 ]}

BibLaTeX

@online{reference.wolfram_2021_askedq, organization={Wolfram Research}, title={AskedQ}, year={2016}, url={https://reference.wolfram.com/language/ref/AskedQ.html}, note=[Accessed: 03-August-2021 ]}

CMS

Wolfram Language. 2016. "AskedQ." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/AskedQ.html.

APA

Wolfram Language. (2016). AskedQ. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/AskedQ.html