Client.Makemodule IO = P.IOtype client = P.clientval call :
?encoding:[ `JSON | `BINARY ] ->
?prefix:string option ->
?headers:Common.headers ->
base_url:string ->
client ->
('req, Pbrt_services.Value_mode.unary, 'res, Pbrt_services.Value_mode.unary)
Pbrt_services.Client.rpc ->
'req ->
('res, Common.error) result IO.tMake a RPC call.