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, 44 deletions

diff --git a/third_party/immer/benchmark/set/string-long/generator.ipp b/third_party/immer/benchmark/set/string-long/generator.ipp
deleted file mode 100644
index 386364cc96fe..000000000000
--- a/third_party/immer/benchmark/set/string-long/generator.ipp
+++ /dev/null
@@ -1,44 +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 <random>
-#include <vector>
-#include <cassert>
-#include <functional>
-#include <algorithm>
-
-#define GENERATOR_T generate_unsigned
-
-namespace {
-
-struct GENERATOR_T
-{
-    static constexpr auto char_set   = "_-0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
-    static constexpr auto max_length = 256;
-    static constexpr auto min_length = 32;
-
-    auto operator() (std::size_t runs) const
-    {
-        assert(runs > 0);
-        auto engine = std::default_random_engine{42};
-        auto dist = std::uniform_int_distribution<unsigned>{};
-        auto gen = std::bind(dist, engine);
-        auto r = std::vector<std::string>(runs);
-        std::generate_n(r.begin(), runs, [&] {
-            auto len = gen() % (max_length - min_length) + min_length;
-            auto str = std::string(len, ' ');
-            std::generate_n(str.begin(), len, [&] {
-                return char_set[gen() % sizeof(char_set)];
-            });
-            return str;
-        });
-        return r;
-    }
-};
-
-} // namespace