Brian Di Palma wrote:
Would type annotations not be a cleaner way of achieving
discrimination between types?
The topic here was an introspective operator, typeof, or something similar.
Type annotations are a different category and even in static languages,
do not relieve the need for introspection.
Also, type annotations to merit the name need a type system, and no one
has found one that works for JS in full. Dart and TypeScript have
"warning annotations" -- which also do not relieve the need for
introspection _a la_ typeof or instanceof.
/be
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