[erlang-questions] maps and lager: how to handle new type gracefully?

Max Lapshin <>
Tue Apr 29 14:17:53 CEST 2014


On Tue, Apr 29, 2014 at 4:09 PM, Loïc Hoguin <> wrote:

> If you use the fully qualified erlang:is_map(Var) and map:to_list(Var) you
> can easily handle maps in a backward compatible way.
>
>
But   erlang:is_map(Var)  will fail on R16 with undef
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