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Zig nif library

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zigler assets nif_adapter.guarded.zig.eex
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assets/nif_adapter.guarded.zig.eex 

fn ___<%= @func %>(env: beam.env, argc: c_int, argv: [*c] const beam.term) !beam.term {



  <%= for {param, idx} <- Enum.with_index(@params) do %>

  var arg<%= idx %>: <%= param %> = undefined;<% end %>



  <%= for {param, idx} <- Enum.with_index(@params) do 

    Zigler.Zig.getfor(param, idx) <> "\n"

  end %>



  var result: <%= @type %> = <%= @func %>(<%= if @has_env, do: "env, ", else: "" %><%=

    if @params == [] do

      "" 

    else

      0..Enum.count(@params) - 1 |> Enum.map(&"arg#{&1}") |> Enum.join(", ") 

    end

  %>);

  <%= Zigler.Zig.makefor(@type) %>

}



extern fn __<%= @func %>(env: beam.env, argc: c_int, argv: [*c] const beam.term) beam.term {

  var res: beam.term = ___<%= @func %>(env, argc, argv) catch | err | {

    if (err == beam.Error.FunctionClauseError) {

      return beam.throw_function_clause_error(env);

    } else if (err == error.OutOfMemory) {

      return beam.throw_enomem(env);

    } else {

      return e.enif_make_badarg(env);

    }

  };

  return res;

}