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GSL/include/gsl
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Carson Radtke f8ec309118
improve performance of span_iterator w/ clang () 
* improve performance of span_iterator w/ clang

Issue: 

Before this PR, the range-for loop was ~3300x slower. After this PR, it
is ~1.005x slower

The clang optimizer is very good at optimizing `current != end`, so
we changed to this idiom. This moves the Expects assertion into the
constructor instead of on the hot-path which is called whenever either
operator++ or operator* is called.

Note: The codegen for the assertion is still a missed optimization,
but less worrisome as it only happens once per iterator.

Note: benchmarks on M1 Macbook Pro w/ Apple Clang 16.0.0
2024-11-12 15:41:21 -06:00
..
algorithm
quoted form of #include when GSL includes GSL files ()
2022-01-31 13:06:42 -08:00
assert
Update Clang GSL_SUPPRESS to stringize parameter instead of using fixed string literal. ()
2023-09-11 10:52:30 -07:00
byte
Test only __cpp_lib_byte, drop _HAS_STD_BYTE. ()
2024-02-26 13:22:20 -08:00
gsl
Added the IWYU pragma export ()
2024-10-15 17:26:45 -05:00
narrow
Delete the useless 'noexcept(false)' ()
2024-10-14 15:30:40 -05:00
pointers
Remove unused headers from gsl/pointers ()
2024-10-14 15:15:46 -05:00
span
improve performance of span_iterator w/ clang ()
2024-11-12 15:41:21 -06:00
span_ext
Deprecate the Ptr make_span overloads ()
2023-05-22 10:48:41 -07:00
string_span
Deprecate <gsl/string_span> and replace with <gsl/zstring> ()
2023-06-28 10:48:23 -07:00
util
Fix gcc build problem ()
2024-10-11 19:46:21 -05:00
zstring
Deprecate <gsl/string_span> and replace with <gsl/zstring> ()
2023-06-28 10:48:23 -07:00