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Use ifdef instead of if for __cpp_lib_span

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Like the other times it's used in this file

This is causing compilation errors in projects that use -Werror=undef

Fixes: QTBUG-123937
Change-Id: I0cdd2910755dc9079890011dd8dbc27a6e64793e
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
(cherry picked from commit 699ddcb15b5e981d32ea65d1c1a12f8fa0b06e0d)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Albert Astals Cid 2024-04-03 00:47:01 +02:00 committed by Qt Cherry-pick Bot
parent 01c11c3006
commit 6810220218
1 changed files with 1 additions and 1 deletions
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2
src/corelib/tools/qspan.h
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@ -297,7 +297,7 @@ public:
: QSpanBase(il.begin(), il.size()) : QSpanBase(il.begin(), il.size())
{} {}
#if __cpp_lib_span #ifdef __cpp_lib_span
template <typename S, size_t N, if_qualification_conversion<S> = true> template <typename S, size_t N, if_qualification_conversion<S> = true>
Q_IMPLICIT constexpr QSpanBase(std::span<S, N> other) noexcept Q_IMPLICIT constexpr QSpanBase(std::span<S, N> other) noexcept
: QSpanBase(other.data(), other.size()) : QSpanBase(other.data(), other.size())