Application.fetch_env-exclamation-mark
You're seeing just the function
fetch_env-exclamation-mark
, go back to Application module for more information.
Specs
Returns the value for key
in app
's environment.
If the configuration parameter does not exist, raises ArgumentError
.
Important: if you are reading the application environment at compilation
time, for example, inside the module definition instead of inside of a
function, see compile_env!/2
instead.