Function rustdoc::clean::inline::build_impls

pub(crate) fn build_impls(
    cx: &mut DocContext<'_>, 
    parent_module: Option<DefId>, 
    did: DefId, 
    attrs: Option<Attributes<'_>>, 
    ret: &mut Vec<Item>
)

Builds all inherent implementations of an ADT (struct/union/enum) or Trait item/path/reexport.