Trait rustc_hir_analysis::hir_ty_lowering::GenericArgsLowerer

pub trait GenericArgsLowerer<'a, 'tcx> {
    // Required methods
    fn args_for_def_id(
        &mut self,
        def_id: DefId
    ) -> (Option<&'a GenericArgs<'tcx>>, bool);
    fn provided_kind(
        &mut self,
        param: &GenericParamDef,
        arg: &GenericArg<'tcx>
    ) -> GenericArg<'tcx>;
    fn inferred_kind(
        &mut self,
        args: Option<&[GenericArg<'tcx>]>,
        param: &GenericParamDef,
        infer_args: bool
    ) -> GenericArg<'tcx>;
}

A context which can lower HIR’s GenericArg to rustc_middle’s ty::GenericArg.

Its only consumer is generics::lower_generic_args. Read its documentation to learn more.

Required Methods

fn args_for_def_id( &mut self, def_id: DefId ) -> (Option<&'a GenericArgs<'tcx>>, bool)

fn provided_kind( &mut self, param: &GenericParamDef, arg: &GenericArg<'tcx> ) -> GenericArg<'tcx>

fn inferred_kind( &mut self, args: Option<&[GenericArg<'tcx>]>, param: &GenericParamDef, infer_args: bool ) -> GenericArg<'tcx>

Implementors