Commits on Jan 28, 2021

1. rustdoc: Render HRTB correctly for bare functions …

   The angle brackets were not rendered, so code like this:
   
       some_func: for<'a> fn(val: &'a i32) -> i32
   
   would be rendered as:
   
       some_func: fn'a(val: &'a i32) -> i32
   
   However, rendering with angle brackets is still invalid syntax:
   
       some_func: fn<'a>(val: &'a i32) -> i32
   
   so now it renders correctly as:
   
       some_func: for<'a> fn(val: &'a i32) -> i32
   
   -----
   
   However, note that this code:
   
       some_trait: dyn for<'a> Trait<'a>
   
   will still render as:
   
       some_trait: dyn Trait<'a>
   
   which is not invalid syntax, but is still unclear. Unfortunately I think
   it's hard to fix that case because there isn't enough information in the
   `rustdoc::clean::Type` that this code operates on. Perhaps that case can
   be fixed in a later PR.

   

   camelid committed Jan 28, 2021
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