diff options
| author | Ralf Jung <post@ralfj.de> | 2018-11-01 13:23:25 +0100 |
|---|---|---|
| committer | Ralf Jung <post@ralfj.de> | 2018-11-05 09:17:48 +0100 |
| commit | b0f1b1a73ee1c5be48d3a288eff50a46b773a9df (patch) | |
| tree | 1e3a923e45344f49ec8db0c33bd650734921267e | |
| parent | 33770abbe249b91e40e5507d85855f8f844222b9 (diff) | |
| download | rust-b0f1b1a73ee1c5be48d3a288eff50a46b773a9df.tar.gz rust-b0f1b1a73ee1c5be48d3a288eff50a46b773a9df.zip | |
provide some default implementations
| -rw-r--r-- | src/librustc_mir/interpret/visitor.rs | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/src/librustc_mir/interpret/visitor.rs b/src/librustc_mir/interpret/visitor.rs index 5eb9ff7627d..96e76ffd972 100644 --- a/src/librustc_mir/interpret/visitor.rs +++ b/src/librustc_mir/interpret/visitor.rs @@ -179,12 +179,15 @@ pub trait ValueVisitor<'a, 'mir, 'tcx, M: Machine<'a, 'mir, 'tcx>>: fmt::Debug + } // Actions on the leaves. - fn visit_uninhabited(&mut self, ectx: &mut EvalContext<'a, 'mir, 'tcx, M>) - -> EvalResult<'tcx>; - fn visit_scalar(&mut self, ectx: &mut EvalContext<'a, 'mir, 'tcx, M>, layout: &layout::Scalar) - -> EvalResult<'tcx>; - fn visit_primitive(&mut self, ectx: &mut EvalContext<'a, 'mir, 'tcx, M>) - -> EvalResult<'tcx>; + fn visit_uninhabited(&mut self, _ectx: &mut EvalContext<'a, 'mir, 'tcx, M>) + -> EvalResult<'tcx> + { Ok(()) } + fn visit_scalar(&mut self, _ectx: &mut EvalContext<'a, 'mir, 'tcx, M>, _layout: &layout::Scalar) + -> EvalResult<'tcx> + { Ok(()) } + fn visit_primitive(&mut self, _ectx: &mut EvalContext<'a, 'mir, 'tcx, M>) + -> EvalResult<'tcx> + { Ok(()) } } impl<'a, 'mir, 'tcx, M: Machine<'a, 'mir, 'tcx>> EvalContext<'a, 'mir, 'tcx, M> { |