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// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
use std::ffi::{CStr, CString};
unsafe fn unsafely_do_the_thing<const F: fn(&CStr) -> usize>(ptr: *const i8) -> usize {
//~^ ERROR: using function pointers as const generic parameters is forbidden
F(CStr::from_ptr(ptr))
}
fn safely_do_the_thing(s: &CStr) -> usize {
s.to_bytes().len()
}
fn main() {
let baguette = CString::new("baguette").unwrap();
let ptr = baguette.as_ptr();
println!("{}", unsafe {
unsafely_do_the_thing::<safely_do_the_thing>(ptr)
});
}
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