[OMPT-svn-commit] OpenMPT r20569 - branches/OpenMPT-1.29/common

[<sv...@op...>]

Author: sagamusix
Date: Thu Apr 11 20:09:30 2024
New Revision: 20569
URL: https://source.openmpt.org/browse/openmpt/?op=revision&rev=20569

Log:
[Fix] Backport mpt::span::subspan for previous commit to work.

Modified:
   branches/OpenMPT-1.29/common/mptSpan.h

Modified: branches/OpenMPT-1.29/common/mptSpan.h
==============================================================================
--- branches/OpenMPT-1.29/common/mptSpan.h	Thu Apr 11 19:57:36 2024	(r20568)
+++ branches/OpenMPT-1.29/common/mptSpan.h	Thu Apr 11 20:09:30 2024	(r20569)
@@ -46,6 +46,9 @@
 // objects, i.e. equivalent to a (beg,end) or (data,size) tuple.
 //  Can eventually be replaced without further modifications with a full C++20
 // std::span.
+
+inline constexpr std::size_t dynamic_extent = std::numeric_limits<std::size_t>::max();
+
 template <typename T>
 class span
 {
@@ -116,6 +119,8 @@
 	index_type size() const noexcept { return static_cast<index_type>(std::distance(m_beg, m_end)); }
 	index_type length() const noexcept { return size(); }
 
+	span subspan(std::size_t offset, std::size_t count = mpt::dynamic_extent) const { return span(data() + offset, (count == mpt::dynamic_extent) ? (size() - offset) : count); }
+
 }; // class span
 
 #endif // C++20