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format Const's less verbosely

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Boxy 2023-05-16 04:25:25 +01:00
parent 9239760da8
commit e16d71b706
4 changed files with 71 additions and 41 deletions
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38
compiler/rustc_middle/src/ty/structural_impls.rs
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@ -192,6 +192,44 @@ impl<'tcx> fmt::Debug for AliasTy<'tcx> {
}
}
impl<'tcx> fmt::Debug for ty::InferConst<'tcx> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
InferConst::Var(var) => write!(f, "{var:?}"),
InferConst::Fresh(var) => write!(f, "Fresh({var:?})"),
}
}
}
impl<'tcx> fmt::Debug for ty::Const<'tcx> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
// This reflects what `Const` looked liked before `Interned` was
// introduced. We print it like this to avoid having to update expected
// output in a lot of tests.
write!(f, "Const {{ ty: {:?}, kind: {:?} }}", self.ty(), self.kind())
}
}
impl<'tcx> fmt::Debug for ty::ConstKind<'tcx> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
use ty::ConstKind::*;
match self {
Param(param) => write!(f, "{param:?}"),
Infer(var) => write!(f, "{var:?}"),
Bound(debruijn, var) => ty::print::debug_bound_var(f, *debruijn, *var),
Placeholder(placeholder) => {
ty::print::debug_placeholder_var(f, placeholder.universe, placeholder.bound)
}
Unevaluated(uv) => {
f.debug_tuple("Unevaluated").field(&uv.substs).field(&uv.def).finish()
}
Value(valtree) => write!(f, "{valtree:?}"),
Error(_) => write!(f, "[const error]"),
Expr(expr) => write!(f, "{expr:?}"),
}
}
}
///////////////////////////////////////////////////////////////////////////
// Atomic structs
//