twelf 0.15.0

Twelf is a configuration solution for Rust including 12-Factor support. It is designed with layers in order to configure different sources and formats to build your configuration. The main goal is to be very simple using a proc macro.
Documentation 
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{
    test = "from file",
    another = 25,
    -- Single-line comment ${FOO}
    elements = {
        key = "value",
        key2 = "value2"
    },
    elements_def = {
        key = "value",
        key2 = "value2"
    }
}