eval.capnp

# Copyright (c) 2013, Kenton Varda <temporal@gmail.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
#    list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
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using Cxx = import "/capnp/c++.capnp";

@0xe12dc4c3e70e9eda;
$Cxx.namespace("capnp::benchmark::capnp");

enum Operation {
  add @0;
  subtract @1;
  multiply @2;
  divide @3;
  modulus @4;
}

struct Expression {
  op@0: Operation;

  left :union {
    value@1: Int32;
    expression@2: Expression;
  }

  right :union {
    value@3: Int32;
    expression@4: Expression;
  }
}

struct EvaluationResult {
  value@0: Int32;
}