preftool 0.2.0

Configuration library for CLI tools/servers.
Documentation 
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#[macro_export]
macro_rules! config {
  (
    $($key:expr => $val:expr),* $(,)?
  ) => ({
    let mut builder = ::preftool::ConfigurationProviderBuilder::new();

    $(
      builder.add($key, $val);
    )*

    let provider = builder.build();
    ::preftool::ConfigBuilder::new().push_provider(provider).build().unwrap()
  });
}