Wolfram Function Repository
Instant-use add-on functions for the Wolfram Language
Function Repository Resource:
Check if a symbol has definitions associated with it
ResourceFunction["HasDefinitionsQ"]["sym"] does the same. |
Check if a symbol has definitions associated with it:
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Check another symbol:
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Check another symbol:
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Symbols with upvalues give True:
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Symbols with messages give True:
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Wolfram Language 11.3 (March 2018) or above
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