Unfortunately we don't have such constants. We use IEEE 754 for 
float/double and two's complement representation for integral values with 
corresponding number of bits. I'd say it should be safe if you call 
numeric_limits() on types like int32_t.

On Monday, March 20, 2017 at 11:48:36 AM UTC-7, lucidbee wrote:
>
> hello!!
>
> What are the maximums ( and minimums) for numeric values that protobuf 
> supports? 
>
> If so, is there an api to retrieve those limits? I am thinking of 
> something like std::numeric_limits() in c++ standard library.
>
> Thanks.
> lucidbee
>

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