ion-binary-rs 0.8.13

// System sid literals as symbol
(
  $1
  $ion
)
(
  // When roundtripped as top-level values, these are no longer equivalent, as $ion_1_0 is an IVM while $2 is not.
  // Putting these in containers solves that problem; there are no IVMs below the top level.
  ($2)
  ($ion_1_0)
)
(
  $3
  $ion_symbol_table
)
(
  $4
  name
)
(
  $5
  version
)
(
  $6
  imports
)
(
  $7
  symbols
)
(
  $8
  max_id
)
(
  $9
  $ion_shared_symbol_table
)

// System sid literals as symbol tokens (field names)
(
  { $1  :null }
  { $ion:null }
)
(
  { $2      :null }
  { $ion_1_0:null }
)
(
  { $3               :null }
  { $ion_symbol_table:null }
)
(
  { $4  :null }
  { name:null }
)
(
  { $5     :null }
  { version:null }
)
(
  { $6     :null }
  { imports:null }
)
(
  { $7     :null }
  { symbols:null }
)
(
  { $8    :null }
  { max_id:null }
)
(
  { $9                      :null }
  { $ion_shared_symbol_table:null }
)

// System sid literals as symbol tokens (annotations)
(
  $1  ::null
  $ion::null
)
(
  $2      ::null
  $ion_1_0::null
)
(
  $3               ::null
  $ion_symbol_table::null
)
(
  $4  ::null
  name::null
)
(
  $5     ::null
  version::null
)
(
  $6     ::null
  imports::null
)
(
  $7     ::null
  symbols::null
)
(
  $8    ::null
  max_id::null
)
(
  $9                      ::null
  $ion_shared_symbol_table::null
)