@spec config(Lamina.config_key()) :: Macro.t()

Defines an individual configration parameter.

The same as config/2, except that no block is provided.

@spec config(Lamina.config_key(), [{:do, Macro.t()}]) :: Macro.t()

Defines an individual configration parameter.

Arguments:

• config_key - the name of the new configuration parameter to define.
• block - a "do block" which will be evaluated in the context of the Lamina.DSL.Config module.

Example

config :listen_port do
  cast(&Lamina.Cast.to_integer/1)
  validate(&is_integer/1)
end

@spec provider(module()) :: Macro.t()

Defines a provider for the configuration system.

The same as provider/2, however passes an empty list to the provider's init/1 function.

@spec provider(
  module(),
  keyword()
) :: Macro.t()

Defines a provider for the configuration system.

Arguments:

• module - the name of a module which implements the Lamina.Provider behaviour.
• options - a keyword list of options to be passed to the provider's init/1 function.

Example

provider(Lamina.Provider.Env, prefix: "HTTP")