From cd665ec172dadd049e7c1830b070f15b58fb9011 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Tue, 18 Aug 2026 13:51:55 +0200
Subject: kstd: flatten units namespace

---
 libs/kstd/kstd/units.hpp | 113 +++++++++++++++++++++++++----------------------
 1 file changed, 59 insertions(+), 54 deletions(-)

(limited to 'libs/kstd')

diff --git a/libs/kstd/kstd/units.hpp b/libs/kstd/kstd/units.hpp
index cb33af21..e3868aa7 100644
--- a/libs/kstd/kstd/units.hpp
+++ b/libs/kstd/kstd/units.hpp
@@ -9,71 +9,76 @@
 namespace kstd
 {
 
-  namespace units
-  {
-
-    using bytes = basic_unit<std::size_t, struct bytes_tag>;
-
-    // NOLINTNEXTLINE(readability-identifier-naming)
-    constexpr auto KiB(std::unsigned_integral auto value) noexcept -> bytes
-    {
-      return bytes{static_cast<bytes::value_type>(value) * 1024};
-    }
+  using bytes = basic_unit<std::size_t, struct bytes_tag>;
 
-    // NOLINTNEXTLINE(readability-identifier-naming)
-    constexpr auto MiB(std::unsigned_integral auto value) noexcept -> bytes
-    {
-      return bytes{static_cast<bytes::value_type>(value) * 1024 * 1024};
-    }
-
-    // NOLINTNEXTLINE(readability-identifier-naming)
-    constexpr auto GiB(std::unsigned_integral auto value) noexcept -> bytes
-    {
-      return bytes{static_cast<bytes::value_type>(value) * 1024 * 1024 * 1024};
-    }
-
-    template<typename ValueType>
-    constexpr auto operator+(ValueType * pointer, bytes offset) -> ValueType *
-    {
-      return pointer + offset.value;
-    }
-
-  }  // namespace units
+  // NOLINTNEXTLINE(readability-identifier-naming)
+  constexpr auto KiB(std::unsigned_integral auto value) noexcept -> bytes
+  {
+    return bytes{static_cast<bytes::value_type>(value) * 1024};
+  }
 
-  namespace units_literals
+  // NOLINTNEXTLINE(readability-identifier-naming)
+  constexpr auto MiB(std::unsigned_integral auto value) noexcept -> bytes
   {
-    constexpr auto operator""_B(unsigned long long value) noexcept -> units::bytes
-    {
-      return units::bytes{value};
-    }
+    return bytes{static_cast<bytes::value_type>(value) * 1024 * 1024};
+  }
 
-    constexpr auto operator""_KiB(unsigned long long value) noexcept -> units::bytes
-    {
-      return units::KiB(value);
-    }
+  // NOLINTNEXTLINE(readability-identifier-naming)
+  constexpr auto GiB(std::unsigned_integral auto value) noexcept -> bytes
+  {
+    return bytes{static_cast<bytes::value_type>(value) * 1024 * 1024 * 1024};
+  }
 
-    constexpr auto operator""_MiB(unsigned long long value) noexcept -> units::bytes
-    {
-      return units::MiB(value);
-    }
+  template<typename ValueType>
+  constexpr auto operator+(ValueType * pointer, bytes offset) -> ValueType *
+  {
+    return pointer + offset.value;
+  }
 
-    constexpr auto operator""_GiB(unsigned long long value) noexcept -> units::bytes
+  inline namespace literals
+  {
+    inline namespace units_literals
     {
-      return units::GiB(value);
-    }
-
-  }  // namespace units_literals
-
-  template<typename ValueType>
-  consteval auto size_of(ValueType const &) noexcept -> units::bytes
+      constexpr auto operator""_B(unsigned long long value) noexcept -> bytes
+      {
+        return bytes{value};
+      }
+
+      constexpr auto operator""_KiB(unsigned long long value) noexcept -> bytes
+      {
+        return KiB(value);
+      }
+
+      constexpr auto operator""_MiB(unsigned long long value) noexcept -> bytes
+      {
+        return MiB(value);
+      }
+
+      constexpr auto operator""_GiB(unsigned long long value) noexcept -> bytes
+      {
+        return GiB(value);
+      }
+
+    }  // namespace units_literals
+  }  // namespace literals
+
+  //! Calculate the size of a given object.
+  //!
+  //! @param object The object to calculate the size for.
+  //! @return the size, in bytes, of the given object.
+  consteval auto size_of(auto const & object) noexcept -> bytes
   {
-    return units::bytes{sizeof(ValueType)};
+    return bytes{sizeof(object)};
   }
 
-  template<typename ValueType>
-  consteval auto size_of() noexcept -> units::bytes
+  //! Calculate the size of a given type.
+  //!
+  //! @tparam Type The type to calculate the size for.
+  //! @return the size, in bytes, of the given type.
+  template<typename Type>
+  consteval auto size_of() noexcept -> bytes
   {
-    return units::bytes{sizeof(ValueType)};
+    return bytes{sizeof(Type)};
   }
 
 }  // namespace kstd
-- 
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