content: # https://rust-lang.github.io/rustfmt/ outlines all configuration options
  
  # Required to enable unstable features: https://github.com/rust-lang/rustfmt/issues/3387
  unstable_features = true
  
  # Unstable: https://github.com/rust-lang/rustfmt/issues/3384
  condense_wildcard_suffixes = true
  
  # Unstable: https://github.com/rust-lang/rustfmt/issues/3348
  format_code_in_doc_comments = true
  
  # Unstable: https://github.com/rust-lang/rustfmt/issues/3354
  format_macro_matchers = true
  
  # Unstable: https://github.com/rust-lang/rustfmt/issues/3353
  format_strings = true
  
  # Unstable: https://github.com/rust-lang/rustfmt/issues/5081
  hex_literal_case = "Upper"
  
  # Unstable: https://github.com/rust-lang/rustfmt/issues/3361
  imports_layout = "HorizontalVertical"
  
  # Unstable: https://github.com/rust-lang/rustfmt/issues/4991
  imports_granularity = "Crate"
  
  # Unstable: https://github.com/rust-lang/rustfmt/issues/3350
  normalize_comments = true
  
  # Unstable: https://github.com/rust-lang/rustfmt/issues/3351
  normalize_doc_attributes = true
  
  # Unstable: https://github.com/rust-lang/rustfmt/issues/5083
  group_imports = "StdExternalCrate"
  
  # Unstable: https://github.com/rust-lang/rustfmt/issues/3363
  reorder_impl_items = true
  
  # Unstable: https://github.com/rust-lang/rustfmt/issues/3347
  wrap_comments = true
  