1 files changed, 0 insertions, 189 deletions
diff --git a/source/blender/blenlib/BLI_optional.hh b/source/blender/blenlib/BLI_optional.hh
deleted file mode 100644
index 2e6b66d0eac..00000000000
--- a/source/blender/blenlib/BLI_optional.hh
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
-
-/** \file
- * \ingroup bli
- *
- * Simple version of std::optional, which is only available since C++17.
- */
-
-#ifndef __BLI_OPTIONAL_HH__
-#define __BLI_OPTIONAL_HH__
-
-#include "BLI_memory_utils.hh"
-#include "BLI_utildefines.h"
-
-#include <algorithm>
-#include <memory>
-
-namespace blender {
-
-template<typename T> class Optional {
- private:
-  AlignedBuffer<sizeof(T), alignof(T)> m_storage;
-  bool m_set;
-
- public:
-  Optional() : m_set(false)
-  {
-  }
-
-  ~Optional()
-  {
-    this->reset();
-  }
-
-  Optional(const T &value) : Optional()
-  {
-    this->set(value);
-  }
-
-  Optional(T &&value) : Optional()
-  {
-    this->set(std::forward<T>(value));
-  }
-
-  Optional(const Optional &other) : Optional()
-  {
-    if (other.has_value()) {
-      this->set(other.value());
-    }
-  }
-
-  Optional(Optional &&other) : Optional()
-  {
-    if (other.has_value()) {
-      this->set(std::move(other.value()));
-    }
-  }
-
-  Optional &operator=(const Optional &other)
-  {
-    if (this == &other) {
-      return *this;
-    }
-    if (other.has_value()) {
-      this->set(other.value());
-    }
-    else {
-      this->reset();
-    }
-    return *this;
-  }
-
-  Optional &operator=(Optional &&other)
-  {
-    if (this == &other) {
-      return *this;
-    }
-    if (other.has_value()) {
-      this->set(std::move(other.value()));
-    }
-    else {
-      this->reset();
-    }
-    return *this;
-  }
-
-  bool has_value() const
-  {
-    return m_set;
-  }
-
-  const T &value() const
-  {
-    BLI_assert(m_set);
-    return *this->value_ptr();
-  }
-
-  T &value()
-  {
-    BLI_assert(m_set);
-    return *this->value_ptr();
-  }
-
-  void set(const T &value)
-  {
-    if (m_set) {
-      this->value() = value;
-    }
-    else {
-      new ((void *)this->value_ptr()) T(value);
-      m_set = true;
-    }
-  }
-
-  void set(T &&value)
-  {
-    if (m_set) {
-      this->value() = std::move(value);
-    }
-    else {
-      new ((void *)this->value_ptr()) T(std::move(value));
-      m_set = true;
-    }
-  }
-
-  void set_new(const T &value)
-  {
-    BLI_assert(!m_set);
-    new ((void *)this->value_ptr()) T(value);
-    m_set = true;
-  }
-
-  void set_new(T &&value)
-  {
-    BLI_assert(!m_set);
-    new ((void *)this->value_ptr()) T(std::move(value));
-    m_set = true;
-  }
-
-  void reset()
-  {
-    if (m_set) {
-      this->value_ptr()->~T();
-      m_set = false;
-    }
-  }
-
-  T extract()
-  {
-    BLI_assert(m_set);
-    T value = std::move(this->value());
-    this->reset();
-    return value;
-  }
-
-  T *operator->()
-  {
-    return this->value_ptr();
-  }
-
-  T &operator*()
-  {
-    return *this->value_ptr();
-  }
-
- private:
-  T *value_ptr() const
-  {
-    return (T *)m_storage.ptr();
-  }
-};
-
-} /* namespace blender */
-
-#endif /* __BLI_OPTIONAL_HH__ */