From 364c1ecd8703dadaaa9c7479335e469b153a1be0 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Thu, 18 Jan 2018 12:28:25 +0100
Subject: compat: split/cleanup util.hpp

Some of the headers are clearly useless. Remove them.

Move what's inside util.hpp into separate headers.

Adjust usages.

Will remove util.hpp.
---
 compat/functional.hpp | 87 ---------------------------------------------------
 1 file changed, 87 deletions(-)
 delete mode 100644 compat/functional.hpp

(limited to 'compat/functional.hpp')

diff --git a/compat/functional.hpp b/compat/functional.hpp
deleted file mode 100644
index dcba0538..00000000
--- a/compat/functional.hpp
+++ /dev/null
@@ -1,87 +0,0 @@
-#pragma once
-
-#include "value-templates.hpp"
-
-#include <algorithm>
-#include <iterator>
-#include <type_traits>
-#include <vector>
-
-namespace functools
-{
-
-template<typename seq_, typename = void>
-struct reserver_
-{
-    static inline void maybe_reserve_space(seq_&, unsigned)
-    {
-        //qDebug() << "nada";
-    }
-};
-
-template<typename seq_>
-struct reserver_<seq_, decltype(std::declval<seq_>().reserve(0u), (void)0)>
-{
-    static inline void maybe_reserve_space(seq_& seq, unsigned sz)
-    {
-        seq.reserve(sz);
-    }
-};
-
-template<typename seq_>
-inline void maybe_reserve_space(seq_& seq, unsigned sz)
-{
-    reserver_<seq_, void>::maybe_reserve_space(seq, sz);
-}
-
-} // ns
-
-template<typename t, t value_>
-struct constant final
-{
-    using type = t;
-    constexpr type operator()() const noexcept
-    {
-        return value_;
-    }
-    static constexpr type value = value_;
-
-    constant() = delete;
-};
-
-template<typename seq_, typename F>
-auto map(F&& fun, const seq_& seq)
-{
-    using value_type = std::decay_t<typename std::iterator_traits<decltype(std::begin(seq))>::value_type>;
-    using ret_type = std::decay_t<decltype(fun(std::declval<value_type>()))>;
-
-    std::vector<ret_type> ret;
-    auto it = std::back_inserter(ret);
-
-    for (const auto& elt : seq)
-        it = fun(elt);
-
-    return ret;
-}
-
-template<typename seq_, typename F>
-auto remove_if_not(F&& fun, const seq_& seq)
-{
-    using namespace functools;
-
-    using seq_type = std::decay_t<seq_>;
-    using value_type = std::decay_t<typename std::iterator_traits<decltype(std::begin(seq))>::value_type>;
-    using fun_ret_type = decltype(fun(std::declval<value_type>()));
-    static_assert(is_convertible_v<fun_ret_type, bool>, "must return bool");
-
-    seq_type ret;
-    maybe_reserve_space(ret, seq.size());
-
-    std::back_insert_iterator<seq_type> it = std::back_inserter(ret);
-
-    for (const value_type& elt : seq)
-        if (fun(elt))
-            it = elt;
-
-    return ret;
-}
-- 
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