Function maybe_debug::cast_debug [−][src]
pub fn cast_debug<'a, T: 'a>(val: &'a T) -> Option<&'a (dyn Debug + 'a)>
Expand description
Attempt to cast the specified value into &dyn Debug
,
returning None
if this fails.
This always returns None
on the stable compiler.
Currently it is not possible to support casting unsized types.