[erlang-questions] How to math list of record

[Sergey Safarov]

I want check type of passed arguments. In following example i can check
record type

-record(person, {first_name, last_name}).
my_func(#person{} = Arg) -> Arg.

It works.
But how to do check of list of records? Like this

-record(person, {first_name, last_name}).
my_func([#person{} | ... ] = Arg) -> Arg.

Thanks
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