Commits on Oct 19, 2020

1. static-metric/src/builder: Allow non-public label enums …

   Imagine the following static metric generation:
   
   ```rust
   make_static_metric! {
       label_enum Methods {
           post,
           get,
       }
   
       struct MyStaticCounterVec: Counter {
           "method" => Methods,
       }
   }
   ```
   
   This will roughly expand to:
   
   ```rust
   enum Methods {
       post,
       get,
   }
   
   use self::prometheus_static_scope_0::MyStaticCounterVec;
   mod prometheus_static_scope_0 {
       pub struct MyStaticCounterVec {
           pub post: MyStaticCounterVec2,
           pub get: MyStaticCounterVec2,
       }
   }
   ```
   
   Rustc would complain that the `private type 'Methods' [is] in [the]
   public interface (error E0446)` `MyStaticCounterVec`.
   
   There is no reason for `MyStaticCounterVec` to be defined with
   visibility `pub`. This commit instead defines `MyStaticCounterVec` with
   `pub(super)` and thus `MyStaticCounterVec` does not expose the private
   type `Methods`.
   
   Signed-off-by: Max Inden <mail@max-inden.de>

   

   mxinden committed Oct 19, 2020
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