AskConfirm

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`AskConfirm`

[Experimental]

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AskConfirm["key"]

is a construct for use inside AskFunction that asks for confirmation of the current value associated with "key" and allows this to be either confirmed or changed.

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AskConfirm["key",fun]

applies the function fun to determine how to ask for confirmation.

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AskConfirm["key","str"]

applies the string "str" as a string template to ask for confirmation.

Details

AskConfirm returns the value associated with "key" when confirmation was accepted.
If confirmation is not accepted, AskConfirm["key"] effectively rewinds evaluation inside an AskFunction back to the previous time a value for "key" was requested.
In the context of the second argument of AskConfirm, the StringTemplate is applied with the association <|"key"->key, "value"->value|>.
AskConfirm["key"] is typically equivalent to AskConfirm["key","The current value of key `key` is `value`. Do you want to change it?"].

Examples

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Basic Examples (3)Summary of the most common use cases

AskConfirm can be used to rewind the evaluation to the point before a value was known:

In[1]:=1

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https://wolfram.com/xid/0dqwa5khgny-kvyk7k

Out[1]=1

Confirm the user's answer with a custom message:

In[1]:=1

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https://wolfram.com/xid/0dqwa5khgny-fjirti

Out[1]=1

Confirm the user's answer if it seems unlikely:

In[1]:=1

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https://wolfram.com/xid/0dqwa5khgny-t5z00l

Out[1]=1

Properties & Relations (1)Properties of the function, and connections to other functions

AskConfirm can be simulated by unsetting the value associated with a key:

In[1]:=1

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https://wolfram.com/xid/0dqwa5khgny-q9lvi5

Out[1]=1

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