chore(3p/immer): Remove vendored copy of immer r/2029

We ended up dropping the use of this library again.

Change-Id: I2c44cd22a6128d23f87a582402bf5fb84991d608
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2292
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>

1 files changed, 0 insertions, 80 deletions

diff --git a/third_party/immer/extra/fuzzer/array.cpp b/third_party/immer/extra/fuzzer/array.cpp
deleted file mode 100644
index 094d97b7f425..000000000000
--- a/third_party/immer/extra/fuzzer/array.cpp
+++ /dev/null
@@ -1,80 +0,0 @@
-//
-// immer: immutable data structures for C++
-// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
-//
-// This software is distributed under the Boost Software License, Version 1.0.
-// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
-//
-
-#include "fuzzer_input.hpp"
-
-#include <immer/array.hpp>
-
-#include <array>
-
-extern "C" int LLVMFuzzerTestOneInput(const std::uint8_t* data,
-                                      std::size_t size)
-{
-    constexpr auto var_count = 4;
-
-    using array_t = immer::array<int, immer::default_memory_policy>;
-    using size_t  = std::uint8_t;
-
-    auto vars = std::array<array_t, var_count>{};
-
-    auto is_valid_var   = [&](auto idx) { return idx >= 0 && idx < var_count; };
-    auto is_valid_index = [](auto& v) {
-        return [&](auto idx) { return idx >= 0 && idx < v.size(); };
-    };
-    auto is_valid_size = [](auto& v) {
-        return [&](auto idx) { return idx >= 0 && idx <= v.size(); };
-    };
-
-    return fuzzer_input{data, size}.run([&](auto& in) {
-        enum ops
-        {
-            op_push_back,
-            op_update,
-            op_take,
-            op_push_back_move,
-            op_update_move,
-            op_take_move,
-        };
-        auto src = read<char>(in, is_valid_var);
-        auto dst = read<char>(in, is_valid_var);
-        switch (read<char>(in)) {
-        case op_push_back: {
-            vars[dst] = vars[src].push_back(42);
-            break;
-        }
-        case op_update: {
-            auto idx  = read<size_t>(in, is_valid_index(vars[src]));
-            vars[dst] = vars[src].update(idx, [](auto x) { return x + 1; });
-            break;
-        }
-        case op_take: {
-            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
-            vars[dst] = vars[src].take(idx);
-            break;
-        }
-        case op_push_back_move: {
-            vars[dst] = std::move(vars[src]).push_back(12);
-            break;
-        }
-        case op_update_move: {
-            auto idx = read<size_t>(in, is_valid_index(vars[src]));
-            vars[dst] =
-                std::move(vars[src]).update(idx, [](auto x) { return x + 1; });
-            break;
-        }
-        case op_take_move: {
-            auto idx  = read<size_t>(in, is_valid_size(vars[src]));
-            vars[dst] = std::move(vars[src]).take(idx);
-            break;
-        }
-        default:
-            break;
-        };
-        return true;
-    });
-}