1 files changed, 0 insertions, 145 deletions
diff --git a/034exclusive_container.cc b/034exclusive_container.cc
deleted file mode 100644
index 08aaf3f7..00000000
--- a/034exclusive_container.cc
+++ /dev/null
@@ -1,145 +0,0 @@
-//: Exclusive containers contain exactly one of a fixed number of 'variants'
-//: of different types.
-//:
-//: They also implicitly contain a tag describing precisely which variant is
-//: currently stored in them.
-
-:(before "End Mu Types Initialization")
-//: We'll use this container as a running example, with two number elements.
-{
-type_number tmp = Type_number["number-or-point"] = Next_type_number++;
-Type[tmp].size = 2;
-Type[tmp].kind = exclusive_container;
-Type[tmp].name = "number-or-point";
-//? cout << tmp << ": " << SIZE(Type[tmp].elements) << '\n'; //? 1
-vector<type_number> t1;
-t1.push_back(number);
-Type[tmp].elements.push_back(t1);
-//? cout << SIZE(Type[tmp].elements) << '\n'; //? 1
-vector<type_number> t2;
-t2.push_back(point);
-Type[tmp].elements.push_back(t2);
-//? cout << SIZE(Type[tmp].elements) << '\n'; //? 1
-//? cout << "point: " << point << '\n'; //? 1
-Type[tmp].element_names.push_back("i");
-Type[tmp].element_names.push_back("p");
-}
-
-//: Tests in this layer often explicitly setup memory before reading it as an
-//: array. Don't do this in general. I'm tagging exceptions with /raw to
-//: avoid warnings.
-:(scenario copy_exclusive_container)
-# Copying exclusive containers copies all their contents and an extra location for the tag.
-recipe main [
-  1:number <- copy 1:literal  # 'point' variant
-  2:number <- copy 34:literal
-  3:number <- copy 35:literal
-  4:number-or-point <- copy 1:number-or-point/raw  # unsafe
-]
-+mem: storing 1 in location 4
-+mem: storing 34 in location 5
-+mem: storing 35 in location 6
-
-:(before "End size_of(types) Cases")
-if (t.kind == exclusive_container) {
-  // size of an exclusive container is the size of its largest variant
-  // (So like containers, it can't contain arrays.)
-//?   cout << "--- " << types.at(0) << ' ' << t.size << '\n'; //? 1
-//?   cout << "point: " << Type_number["point"] << " " << Type[Type_number["point"]].name << " " << Type[Type_number["point"]].size << '\n'; //? 1
-//?   cout << t.name << ' ' << t.size << ' ' << SIZE(t.elements) << '\n'; //? 1
-  long long int result = 0;
-  for (long long int i = 0; i < t.size; ++i) {
-    long long int tmp = size_of(t.elements.at(i));
-//?     cout << i << ": " << t.elements.at(i).at(0) << ' ' << tmp << ' ' << result << '\n'; //? 1
-    if (tmp > result) result = tmp;
-  }
-  // ...+1 for its tag.
-  return result+1;
-}
-
-//:: To access variants of an exclusive container, use 'maybe-convert'.
-//: It always returns an address (so that you can modify it) or null (to
-//: signal that the conversion failed (because the container contains a
-//: different variant).
-
-//: 'maybe-convert' requires a literal in ingredient 1. We'll use a synonym
-//: called 'variant'.
-:(before "End Mu Types Initialization")
-Type_number["variant"] = 0;
-
-:(scenario maybe_convert)
-recipe main [
-  12:number <- copy 1:literal
-  13:number <- copy 35:literal
-  14:number <- copy 36:literal
-  20:address:point <- maybe-convert 12:number-or-point/raw, 1:variant  # unsafe
-]
-+mem: storing 13 in location 20
-
-:(scenario maybe_convert_fail)
-recipe main [
-  12:number <- copy 1:literal
-  13:number <- copy 35:literal
-  14:number <- copy 36:literal
-  20:address:point <- maybe-convert 12:number-or-point/raw, 0:variant  # unsafe
-]
-+mem: storing 0 in location 20
-
-:(before "End Primitive Recipe Declarations")
-MAYBE_CONVERT,
-:(before "End Primitive Recipe Numbers")
-Recipe_number["maybe-convert"] = MAYBE_CONVERT;
-:(before "End Primitive Recipe Implementations")
-case MAYBE_CONVERT: {
-  reagent base = canonize(current_instruction().ingredients.at(0));
-  long long int base_address = base.value;
-  type_number base_type = base.types.at(0);
-  assert(Type[base_type].kind == exclusive_container);
-  assert(is_literal(current_instruction().ingredients.at(1)));
-  long long int tag = current_instruction().ingredients.at(1).value;
-  long long int result;
-  if (tag == static_cast<long long int>(Memory[base_address])) {
-    result = base_address+1;
-  }
-  else {
-    result = 0;
-  }
-  products.resize(1);
-  products.at(0).push_back(result);
-  break;
-}
-
-//:: Allow exclusive containers to be defined in mu code.
-
-:(scenario exclusive_container)
-exclusive-container foo [
-  x:number
-  y:number
-]
-+parse: reading exclusive-container foo
-+parse:   element name: x
-+parse:   type: 1
-+parse:   element name: y
-+parse:   type: 1
-
-:(before "End Command Handlers")
-else if (command == "exclusive-container") {
-  insert_container(command, exclusive_container, in);
-}
-
-//:: To construct exclusive containers out of variant types, use 'merge'.
-:(scenario lift_to_exclusive_container)
-exclusive-container foo [
-  x:number
-  y:number
-]
-
-recipe main [
-  1:number <- copy 34:literal
-  2:foo <- merge 0:literal/x, 1:number
-  4:foo <- merge 1:literal/x, 1:number
-]
-+mem: storing 0 in location 2
-+mem: storing 34 in location 3
-+mem: storing 1 in location 4
-+mem: storing 34 in location 5