Function rustc_typeck::middle::ty::positional_element_tyUnstable
[-] [+]
[src]
pub fn positional_element_ty(cx: &ctxt<'tcx>, ty: &'tcx TyS<'tcx>, i: usize, variant: Option<DefId>) -> Option<&'tcx TyS<'tcx>>
Returns the type of element at index i
in tuple or tuple-like type t
.
For an enum t
, variant
is None only if t
is a univariant enum.