[Python-Dev] unscriptable? (original) (raw)
Steve Holden steve at holdenweb.com
Sun Apr 20 03:54:46 CEST 2008
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Nick Coghlan wrote: [...]>
To suggest yet another colour for the bikeshed, maybe we should ditch both unindexable and unsubscriptable and go with "'int' is not a sequence or mapping". Any object which supports subscript notation will be one or the other. All the object needs to to to be "indexable" or "subscriptable" is to implement .index() or .getitem(). While sequences and mappings are the only built-in types to do so, this says nothing about user-defined types.
Couldn't we find a more obvious and direct error message like
"Illegal use of [] subscripting/indexing"?
one-more-coat-for-the-bikeshed-ly y'rs - steve
Steve Holden +1 571 484 6266 +1 800 494 3119 Holden Web LLC http://www.holdenweb.com/
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