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Rust templates and quasiquoting for Elixir

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rustq lib rustq codegen decoders arm.ex
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lib/rustq/codegen/decoders/arm.ex 

defmodule RustQ.Codegen.Decoders.Arm do

  @moduledoc """

  Emits native decoder helpers for Rust match arms.

  """



  use RustQ.Codegen.DefrustModule



  @spec decode_arm(term()) :: R.nif_result(R.path(:Arm))

  defrust decode_arm(term) do

    unwrap!(expect_struct(term, "Elixir.RustQ.Rust.AST.Arm"))

    pat_term = unwrap!(required_field(term, "pattern"))

    guard = unwrap!(Super.decode_optional_expr_field(term, "guard"))

    block = unwrap!(Super.decode_block(unwrap!(required_field(term, "body"))))



    if unwrap!(struct_name(pat_term)) == "Elixir.RustQ.Rust.AST.PatAtomGuard" do

      Super.decode_atom_guard_arm(pat_term, block)

    else

      pat = unwrap!(Super.decode_pat(pat_term))

      Super.parse_guarded_block_arm(pat, guard, block)

    end

  end

end