Application.spec

You're seeing just the function spec, go back to Application module for more information.

spec(app)

Specs

spec(app()) :: [{application_key(), value()}] | nil

Returns the spec for app.

The following keys are returned:

:description
:id
:vsn
:modules
:maxP
:maxT
:registered
:included_applications
:applications
:mod
:start_phases

Note the environment is not returned as it can be accessed via fetch_env/2. Returns nil if the application is not loaded.

spec(app, key)

Specs

spec(app(), application_key()) :: value() | nil

Returns the value for key in app's specification.

See spec/1 for the supported keys. If the given specification parameter does not exist, this function will raise. Returns nil if the application is not loaded.