[libc++] Add bind_front function (P0356R5).
Implementes [[ http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0356r5.html | P0356R5 ]]. Adds `bind_front` to `functional`.
Reviewed By: ldionne, #libc, Quuxplusone
Differential Revision: https://reviews.llvm.org/D60368
GitOrigin-RevId: 84a50f5911bf8300cc4bea1f60673ede2145345b
diff --git a/include/version b/include/version
index e869723..49648a0 100644
--- a/include/version
+++ b/include/version
@@ -290,7 +290,7 @@
# if !defined(_LIBCPP_HAS_NO_THREADS) && !defined(_LIBCPP_AVAILABILITY_DISABLE_FTM___cpp_lib_barrier)
# define __cpp_lib_barrier 201907L
# endif
-// # define __cpp_lib_bind_front 201907L
+# define __cpp_lib_bind_front 201907L
// # define __cpp_lib_bit_cast 201806L
// # define __cpp_lib_bitops 201907L
# define __cpp_lib_bounded_array_traits 201902L