Error code E0757
A function was given both the ffi_const
and ffi_pure
attributes.
Erroneous code example:
ⓘ
As ffi_const
provides stronger guarantees than ffi_pure
, remove the
ffi_pure
attribute:
You can get more information about const
and pure
in the GCC documentation
on Common Function Attributes. The unstable Rust Book has more information
about ffi_const
and ffi_pure
.