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[lmi-commits] [lmi] master 269f9c9 3/3: Reimplement stifle_unused_warnin
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From: |
Greg Chicares |
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Subject: |
[lmi-commits] [lmi] master 269f9c9 3/3: Reimplement stifle_unused_warning using a universal reference |
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Date: |
Thu, 28 Oct 2021 12:15:47 -0400 (EDT) |
branch: master
commit 269f9c90c164df8ec4538696f021dc8196bac3ab
Author: Gregory W. Chicares <gchicares@sbcglobal.net>
Commit: Gregory W. Chicares <gchicares@sbcglobal.net>
Reimplement stifle_unused_warning using a universal reference
---
miscellany.hpp | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/miscellany.hpp b/miscellany.hpp
index 3db0106..83a9d5c 100644
--- a/miscellany.hpp
+++ b/miscellany.hpp
@@ -291,9 +291,12 @@ inline unsigned char lmi_toupper(unsigned char c)
}
/// Avoid compiler warning for unused variable or unused value.
+///
+/// Rationale for this universal-reference implementation:
+/// https://lists.nongnu.org/archive/html/lmi/2021-10/msg00050.html
template<typename T>
-constexpr void stifle_unused_warning(T const&)
+constexpr void stifle_unused_warning(T&&)
{}
#endif // miscellany_hpp