Pbuf.Decoder.field

You're seeing just the function field, go back to Pbuf.Decoder module for more information.
Link to this function

field(mod, data)

Specs

field(atom(), binary()) :: {any(), binary()}
Link to this function

field(type, name, acc, data)

Specs

field(atom(), atom(), Keyword.t(), binary()) :: {Keyword.t(), binary()}