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use std::convert::TryFrom;
pub fn test_usage(p: ()) {
SmallCString::try_from(p).map(|cstr| cstr);
//~^ ERROR: type annotations needed
//~| ERROR: type annotations needed
//~| ERROR: type annotations needed
}
pub struct SmallCString<const N: usize> {}
impl<const N: usize> TryFrom<()> for SmallCString<N> {
type Error = ();
fn try_from(path: ()) -> Result<Self, Self::Error> {
unimplemented!();
}
}
fn main() {}
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