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Revert "improve abstraction for AssocList, fix bug in optional else (#315)" (#320)

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This reverts commit bf6bb800c4.
This commit is contained in:
Dave Abrahams
2021-03-01 12:26:56 -05:00
committed by GitHub
parent 8b3bb7c5e9
commit f5300a84e5
55 changed files with 7431 additions and 293 deletions
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executable_semantics/interpreter/cons_list.h
+6 -1
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@@ -7,14 +7,19 @@
namespace Carbon {
template <class T>
struct Stack;
template <class T>
struct Cons {
friend struct Stack<T>;
private:
Cons(T e, Cons* n) : curr(e), next(n) {}
const T curr;
Cons* const next;
private:
// Cons cells are part of a "persistent data structure" and are thus
// immutable.
Cons& operator=(const Cons&) = delete;