From 84062873e162bc4a7c799fb67f72dbd055eb15ca Mon Sep 17 00:00:00 2001
From: Steven Le Rouzic <steven.lerouzic@gmail.com>
Date: Wed, 1 May 2024 01:23:05 +0200
Subject: Some work on WSI

---
 deimos/core/base.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'deimos/core/base.h')

diff --git a/deimos/core/base.h b/deimos/core/base.h
index 70958a5..34a341f 100644
--- a/deimos/core/base.h
+++ b/deimos/core/base.h
@@ -104,6 +104,12 @@ public:
 
     deimos_DEFAULT_COPY_MOVE(Span);
 
+    template<int64_t N>
+    constexpr Span(T (&data)[N]) : // NOLINT
+        m_begin{data},
+        m_size{N}
+    {}
+
     constexpr Span(T* begin, int64_t size) :
         m_begin{begin},
         m_size{size}
@@ -127,6 +133,7 @@ public:
     constexpr T* begin() const { return m_begin; }
     constexpr T* end() const { return m_begin + m_size; } // NOLINT
     constexpr int64_t size() const { return m_size; }
+    constexpr int64_t size_bytes() const { return m_size * (int64_t)sizeof(T); }
     constexpr bool empty() const { return m_size == 0; }
 
     constexpr T& operator[](int64_t i) const
@@ -134,6 +141,13 @@ public:
         Expects(i >= 0 && i < m_size);
         return m_begin[i]; // NOLINT
     }
+
+    constexpr Span subspan(int64_t offset, int64_t size) const
+    {
+        Expects(offset >= 0 && size >= 0);
+        Expects(offset + size <= m_size);
+        return Span(m_begin + offset, size);
+    }
 };
 
 template<typename T>
@@ -163,6 +177,7 @@ public:
 
     constexpr const char* data() const { return m_begin; }
     constexpr int64_t size() const { return m_size; }
+    constexpr int64_t size_bytes() const { return m_size; }
     constexpr bool empty() const { return m_size == 0; }
 };
 
-- 
cgit