{ok, _} = application:ensure_all_started(cowlib).
cowlib - Support library for manipulating Web protocols
Cowlib provides libraries for parsing and building messages for various Web protocols, including HTTP/1.1, HTTP/2 and Websocket.
It is optimized for completeness rather than speed. No value is ignored, they are all returned.
All these applications must be started before the cowlib application. To start Cowlib and all dependencies at once:
{ok, _} = application:ensure_all_started(cowlib).
The cowlib application does not define any application environment configuration parameters.
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