My bad. It's not a syntax error but a type error. It'll work fine with
this instead:
on_metadata(fun(m)->log(string_of(m)), radio)
By the way, the type error is reported in a more concise way on 1.0:
At line 1, char 31-44:
this value has type
(string,...)->_
but it should be a subtype of
([_],...)->_
The handler was taking a string (this is what the log function
expects) but on_metadata expects a handler taking a list (of pairs
representing metadata entries).
Cheers,
--
David
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