Remove redundant type parameter

This commit is contained in:
Michael Goulet 2023-10-20 22:10:58 -07:00
parent 8951342911
commit 269d5a322e
10 changed files with 98 additions and 87 deletions

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@ -341,7 +341,9 @@ pub struct InferCtxt<'tcx> {
next_trait_solver: bool,
}
impl<'tcx> ty::InferCtxtLike<TyCtxt<'tcx>> for InferCtxt<'tcx> {
impl<'tcx> ty::InferCtxtLike for InferCtxt<'tcx> {
type Interner = TyCtxt<'tcx>;
fn universe_of_ty(&self, ty: ty::InferTy) -> Option<ty::UniverseIndex> {
use InferTy::*;
match ty {

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@ -1,7 +1,7 @@
use crate::arena::Arena;
use rustc_data_structures::aligned::{align_of, Aligned};
use rustc_serialize::{Encodable, Encoder};
use rustc_type_ir::{InferCtxtLike, OptWithInfcx};
use rustc_type_ir::{InferCtxtLike, WithInfcx};
use std::alloc::Layout;
use std::cmp::Ordering;
use std::fmt;
@ -121,8 +121,8 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
}
}
impl<'tcx, T: super::DebugWithInfcx<TyCtxt<'tcx>>> super::DebugWithInfcx<TyCtxt<'tcx>> for List<T> {
fn fmt<Infcx: InferCtxtLike<TyCtxt<'tcx>>>(
this: OptWithInfcx<'_, TyCtxt<'tcx>, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = TyCtxt<'tcx>>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut core::fmt::Formatter<'_>,
) -> core::fmt::Result {
fmt::Debug::fmt(&this.map(|this| this.as_slice()), f)

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@ -54,7 +54,7 @@
use rustc_span::{ExpnId, ExpnKind, Span};
use rustc_target::abi::{Align, FieldIdx, Integer, IntegerType, VariantIdx};
pub use rustc_target::abi::{ReprFlags, ReprOptions};
pub use rustc_type_ir::{DebugWithInfcx, InferCtxtLike, OptWithInfcx};
pub use rustc_type_ir::{DebugWithInfcx, InferCtxtLike, WithInfcx};
pub use vtable::*;
use std::fmt::Debug;

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@ -10,7 +10,7 @@
use crate::ty::{self, AliasTy, InferConst, Lift, Term, TermKind, Ty, TyCtxt};
use rustc_hir::def::Namespace;
use rustc_target::abi::TyAndLayout;
use rustc_type_ir::{ConstKind, DebugWithInfcx, InferCtxtLike, OptWithInfcx};
use rustc_type_ir::{ConstKind, DebugWithInfcx, InferCtxtLike, WithInfcx};
use std::fmt::{self, Debug};
use std::ops::ControlFlow;
@ -89,12 +89,12 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
impl<'tcx> fmt::Debug for ty::FnSig<'tcx> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
OptWithInfcx::new_no_ctx(self).fmt(f)
WithInfcx::with_no_infcx(self).fmt(f)
}
}
impl<'tcx> DebugWithInfcx<TyCtxt<'tcx>> for ty::FnSig<'tcx> {
fn fmt<Infcx: InferCtxtLike<TyCtxt<'tcx>>>(
this: OptWithInfcx<'_, TyCtxt<'tcx>, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = TyCtxt<'tcx>>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut core::fmt::Formatter<'_>,
) -> core::fmt::Result {
let sig = this.data;
@ -149,8 +149,8 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
}
impl<'tcx> ty::DebugWithInfcx<TyCtxt<'tcx>> for Ty<'tcx> {
fn fmt<Infcx: InferCtxtLike<TyCtxt<'tcx>>>(
this: OptWithInfcx<'_, TyCtxt<'tcx>, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = TyCtxt<'tcx>>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut core::fmt::Formatter<'_>,
) -> core::fmt::Result {
this.data.fmt(f)
@ -238,12 +238,12 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
impl<'tcx> fmt::Debug for AliasTy<'tcx> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
OptWithInfcx::new_no_ctx(self).fmt(f)
WithInfcx::with_no_infcx(self).fmt(f)
}
}
impl<'tcx> DebugWithInfcx<TyCtxt<'tcx>> for AliasTy<'tcx> {
fn fmt<Infcx: InferCtxtLike<TyCtxt<'tcx>>>(
this: OptWithInfcx<'_, TyCtxt<'tcx>, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = TyCtxt<'tcx>>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut core::fmt::Formatter<'_>,
) -> core::fmt::Result {
f.debug_struct("AliasTy")
@ -263,12 +263,12 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
}
}
impl<'tcx> DebugWithInfcx<TyCtxt<'tcx>> for ty::InferConst<'tcx> {
fn fmt<Infcx: InferCtxtLike<TyCtxt<'tcx>>>(
this: OptWithInfcx<'_, TyCtxt<'tcx>, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = TyCtxt<'tcx>>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut core::fmt::Formatter<'_>,
) -> core::fmt::Result {
use ty::InferConst::*;
match this.infcx.and_then(|infcx| infcx.universe_of_ct(*this.data)) {
match this.infcx.universe_of_ct(*this.data) {
None => write!(f, "{:?}", this.data),
Some(universe) => match *this.data {
Var(vid) => write!(f, "?{}_{}c", vid.index, universe.index()),
@ -283,12 +283,12 @@ fn fmt<Infcx: InferCtxtLike<TyCtxt<'tcx>>>(
impl<'tcx> fmt::Debug for ty::consts::Expr<'tcx> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
OptWithInfcx::new_no_ctx(self).fmt(f)
WithInfcx::with_no_infcx(self).fmt(f)
}
}
impl<'tcx> DebugWithInfcx<TyCtxt<'tcx>> for ty::consts::Expr<'tcx> {
fn fmt<Infcx: InferCtxtLike<TyCtxt<'tcx>>>(
this: OptWithInfcx<'_, TyCtxt<'tcx>, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = TyCtxt<'tcx>>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut core::fmt::Formatter<'_>,
) -> core::fmt::Result {
match this.data {
@ -316,12 +316,12 @@ fn fmt<Infcx: InferCtxtLike<TyCtxt<'tcx>>>(
impl<'tcx> fmt::Debug for ty::UnevaluatedConst<'tcx> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
OptWithInfcx::new_no_ctx(self).fmt(f)
WithInfcx::with_no_infcx(self).fmt(f)
}
}
impl<'tcx> DebugWithInfcx<TyCtxt<'tcx>> for ty::UnevaluatedConst<'tcx> {
fn fmt<Infcx: InferCtxtLike<TyCtxt<'tcx>>>(
this: OptWithInfcx<'_, TyCtxt<'tcx>, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = TyCtxt<'tcx>>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut core::fmt::Formatter<'_>,
) -> core::fmt::Result {
f.debug_struct("UnevaluatedConst")
@ -333,12 +333,12 @@ fn fmt<Infcx: InferCtxtLike<TyCtxt<'tcx>>>(
impl<'tcx> fmt::Debug for ty::Const<'tcx> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
OptWithInfcx::new_no_ctx(self).fmt(f)
WithInfcx::with_no_infcx(self).fmt(f)
}
}
impl<'tcx> DebugWithInfcx<TyCtxt<'tcx>> for ty::Const<'tcx> {
fn fmt<Infcx: InferCtxtLike<TyCtxt<'tcx>>>(
this: OptWithInfcx<'_, TyCtxt<'tcx>, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = TyCtxt<'tcx>>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut core::fmt::Formatter<'_>,
) -> core::fmt::Result {
// If this is a value, we spend some effort to make it look nice.
@ -395,8 +395,8 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
}
}
impl<'tcx> DebugWithInfcx<TyCtxt<'tcx>> for GenericArg<'tcx> {
fn fmt<Infcx: InferCtxtLike<TyCtxt<'tcx>>>(
this: OptWithInfcx<'_, TyCtxt<'tcx>, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = TyCtxt<'tcx>>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut core::fmt::Formatter<'_>,
) -> core::fmt::Result {
match this.data.unpack() {
@ -413,8 +413,8 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
}
}
impl<'tcx> DebugWithInfcx<TyCtxt<'tcx>> for Region<'tcx> {
fn fmt<Infcx: InferCtxtLike<TyCtxt<'tcx>>>(
this: OptWithInfcx<'_, TyCtxt<'tcx>, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = TyCtxt<'tcx>>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut core::fmt::Formatter<'_>,
) -> core::fmt::Result {
write!(f, "{:?}", &this.map(|data| data.kind()))
@ -422,11 +422,11 @@ fn fmt<Infcx: InferCtxtLike<TyCtxt<'tcx>>>(
}
impl<'tcx> DebugWithInfcx<TyCtxt<'tcx>> for ty::RegionVid {
fn fmt<Infcx: InferCtxtLike<TyCtxt<'tcx>>>(
this: OptWithInfcx<'_, TyCtxt<'tcx>, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = TyCtxt<'tcx>>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut core::fmt::Formatter<'_>,
) -> core::fmt::Result {
match this.infcx.and_then(|infcx| infcx.universe_of_lt(*this.data)) {
match this.infcx.universe_of_lt(*this.data) {
Some(universe) => write!(f, "'?{}_{}", this.data.index(), universe.index()),
None => write!(f, "{:?}", this.data),
}
@ -434,8 +434,8 @@ fn fmt<Infcx: InferCtxtLike<TyCtxt<'tcx>>>(
}
impl<'tcx, T: DebugWithInfcx<TyCtxt<'tcx>>> DebugWithInfcx<TyCtxt<'tcx>> for ty::Binder<'tcx, T> {
fn fmt<Infcx: InferCtxtLike<TyCtxt<'tcx>>>(
this: OptWithInfcx<'_, TyCtxt<'tcx>, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = TyCtxt<'tcx>>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut core::fmt::Formatter<'_>,
) -> core::fmt::Result {
f.debug_tuple("Binder")

View File

@ -683,8 +683,8 @@ pub enum ExistentialPredicate<'tcx> {
}
impl<'tcx> DebugWithInfcx<TyCtxt<'tcx>> for ExistentialPredicate<'tcx> {
fn fmt<Infcx: rustc_type_ir::InferCtxtLike<TyCtxt<'tcx>>>(
this: rustc_type_ir::OptWithInfcx<'_, TyCtxt<'tcx>, Infcx, &Self>,
fn fmt<Infcx: rustc_type_ir::InferCtxtLike<Interner = TyCtxt<'tcx>>>(
this: rustc_type_ir::WithInfcx<'_, Infcx, &Self>,
f: &mut core::fmt::Formatter<'_>,
) -> core::fmt::Result {
fmt::Debug::fmt(&this.data, f)

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@ -5,8 +5,8 @@
use std::hash;
use crate::{
DebruijnIndex, DebugWithInfcx, HashStableContext, InferCtxtLike, Interner, OptWithInfcx,
TyDecoder, TyEncoder,
DebruijnIndex, DebugWithInfcx, HashStableContext, InferCtxtLike, Interner, TyDecoder,
TyEncoder, WithInfcx,
};
use self::ConstKind::*;
@ -231,13 +231,13 @@ fn clone(&self) -> Self {
impl<I: Interner> fmt::Debug for ConstKind<I> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
OptWithInfcx::with_no_infcx(self).fmt(f)
WithInfcx::with_no_infcx(self).fmt(f)
}
}
impl<I: Interner> DebugWithInfcx<I> for ConstKind<I> {
fn fmt<Infcx: InferCtxtLike<I>>(
this: OptWithInfcx<'_, I, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = I>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut core::fmt::Formatter<'_>,
) -> core::fmt::Result {
use ConstKind::*;

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@ -3,38 +3,48 @@
use core::fmt;
use std::marker::PhantomData;
pub trait InferCtxtLike<I: Interner> {
fn universe_of_ty(&self, ty: I::InferTy) -> Option<UniverseIndex>;
pub trait InferCtxtLike {
type Interner: Interner;
fn universe_of_lt(&self, lt: I::InferRegion) -> Option<UniverseIndex>;
fn universe_of_ty(&self, ty: <Self::Interner as Interner>::InferTy) -> Option<UniverseIndex>;
fn universe_of_ct(&self, ct: I::InferConst) -> Option<UniverseIndex>;
fn universe_of_lt(
&self,
lt: <Self::Interner as Interner>::InferRegion,
) -> Option<UniverseIndex>;
fn universe_of_ct(&self, ct: <Self::Interner as Interner>::InferConst)
-> Option<UniverseIndex>;
}
impl<I: Interner> InferCtxtLike<I> for core::convert::Infallible {
pub struct NoInfcx<I>(PhantomData<I>);
impl<I: Interner> InferCtxtLike for NoInfcx<I> {
type Interner = I;
fn universe_of_ty(&self, _ty: <I as Interner>::InferTy) -> Option<UniverseIndex> {
match *self {}
None
}
fn universe_of_ct(&self, _ct: <I as Interner>::InferConst) -> Option<UniverseIndex> {
match *self {}
None
}
fn universe_of_lt(&self, _lt: <I as Interner>::InferRegion) -> Option<UniverseIndex> {
match *self {}
None
}
}
pub trait DebugWithInfcx<I: Interner>: fmt::Debug {
fn fmt<Infcx: InferCtxtLike<I>>(
this: OptWithInfcx<'_, I, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = I>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut fmt::Formatter<'_>,
) -> fmt::Result;
}
impl<I: Interner, T: DebugWithInfcx<I> + ?Sized> DebugWithInfcx<I> for &'_ T {
fn fmt<Infcx: InferCtxtLike<I>>(
this: OptWithInfcx<'_, I, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = I>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut fmt::Formatter<'_>,
) -> fmt::Result {
<T as DebugWithInfcx<I>>::fmt(this.map(|&data| data), f)
@ -42,8 +52,8 @@ fn fmt<Infcx: InferCtxtLike<I>>(
}
impl<I: Interner, T: DebugWithInfcx<I>> DebugWithInfcx<I> for [T] {
fn fmt<Infcx: InferCtxtLike<I>>(
this: OptWithInfcx<'_, I, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = I>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut fmt::Formatter<'_>,
) -> fmt::Result {
match f.alternate() {
@ -70,46 +80,45 @@ fn fmt<Infcx: InferCtxtLike<I>>(
}
}
pub struct OptWithInfcx<'a, I: Interner, Infcx: InferCtxtLike<I>, T> {
pub struct WithInfcx<'a, Infcx: InferCtxtLike, T> {
pub data: T,
pub infcx: Option<&'a Infcx>,
_interner: PhantomData<I>,
pub infcx: &'a Infcx,
}
impl<I: Interner, Infcx: InferCtxtLike<I>, T: Copy> Copy for OptWithInfcx<'_, I, Infcx, T> {}
impl<Infcx: InferCtxtLike, T: Copy> Copy for WithInfcx<'_, Infcx, T> {}
impl<I: Interner, Infcx: InferCtxtLike<I>, T: Clone> Clone for OptWithInfcx<'_, I, Infcx, T> {
impl<Infcx: InferCtxtLike, T: Clone> Clone for WithInfcx<'_, Infcx, T> {
fn clone(&self) -> Self {
Self { data: self.data.clone(), infcx: self.infcx, _interner: self._interner }
Self { data: self.data.clone(), infcx: self.infcx }
}
}
impl<'a, I: Interner, T> OptWithInfcx<'a, I, core::convert::Infallible, T> {
impl<'a, I: Interner, T> WithInfcx<'a, NoInfcx<I>, T> {
pub fn with_no_infcx(data: T) -> Self {
Self { data, infcx: None, _interner: PhantomData }
Self { data, infcx: &NoInfcx(PhantomData) }
}
}
impl<'a, I: Interner, Infcx: InferCtxtLike<I>, T> OptWithInfcx<'a, I, Infcx, T> {
impl<'a, Infcx: InferCtxtLike, T> WithInfcx<'a, Infcx, T> {
pub fn new(data: T, infcx: &'a Infcx) -> Self {
Self { data, infcx: Some(infcx), _interner: PhantomData }
Self { data, infcx }
}
pub fn wrap<U>(self, u: U) -> OptWithInfcx<'a, I, Infcx, U> {
OptWithInfcx { data: u, infcx: self.infcx, _interner: PhantomData }
pub fn wrap<U>(self, u: U) -> WithInfcx<'a, Infcx, U> {
WithInfcx { data: u, infcx: self.infcx }
}
pub fn map<U>(self, f: impl FnOnce(T) -> U) -> OptWithInfcx<'a, I, Infcx, U> {
OptWithInfcx { data: f(self.data), infcx: self.infcx, _interner: PhantomData }
pub fn map<U>(self, f: impl FnOnce(T) -> U) -> WithInfcx<'a, Infcx, U> {
WithInfcx { data: f(self.data), infcx: self.infcx }
}
pub fn as_ref(&self) -> OptWithInfcx<'a, I, Infcx, &T> {
OptWithInfcx { data: &self.data, infcx: self.infcx, _interner: PhantomData }
pub fn as_ref(&self) -> WithInfcx<'a, Infcx, &T> {
WithInfcx { data: &self.data, infcx: self.infcx }
}
}
impl<I: Interner, Infcx: InferCtxtLike<I>, T: DebugWithInfcx<I>> fmt::Debug
for OptWithInfcx<'_, I, Infcx, T>
impl<Infcx: InferCtxtLike, T: DebugWithInfcx<Infcx::Interner>> fmt::Debug
for WithInfcx<'_, Infcx, T>
{
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
DebugWithInfcx::fmt(self.as_ref(), f)

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@ -34,7 +34,7 @@
pub use codec::*;
pub use const_kind::*;
pub use debug::{DebugWithInfcx, InferCtxtLike, OptWithInfcx};
pub use debug::{DebugWithInfcx, InferCtxtLike, WithInfcx};
pub use flags::*;
pub use interner::*;
pub use region_kind::*;

View File

@ -5,8 +5,8 @@
use std::hash;
use crate::{
DebruijnIndex, DebugWithInfcx, HashStableContext, InferCtxtLike, Interner, OptWithInfcx,
TyDecoder, TyEncoder,
DebruijnIndex, DebugWithInfcx, HashStableContext, InferCtxtLike, Interner, TyDecoder,
TyEncoder, WithInfcx,
};
use self::RegionKind::*;
@ -274,8 +274,8 @@ fn hash<H: hash::Hasher>(&self, state: &mut H) -> () {
}
impl<I: Interner> DebugWithInfcx<I> for RegionKind<I> {
fn fmt<Infcx: InferCtxtLike<I>>(
this: OptWithInfcx<'_, I, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = I>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut core::fmt::Formatter<'_>,
) -> core::fmt::Result {
match this.data {
@ -301,7 +301,7 @@ fn fmt<Infcx: InferCtxtLike<I>>(
}
impl<I: Interner> fmt::Debug for RegionKind<I> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
OptWithInfcx::with_no_infcx(self).fmt(f)
WithInfcx::with_no_infcx(self).fmt(f)
}
}

View File

@ -11,7 +11,7 @@
use crate::Interner;
use crate::TyDecoder;
use crate::TyEncoder;
use crate::{DebruijnIndex, DebugWithInfcx, InferCtxtLike, OptWithInfcx};
use crate::{DebruijnIndex, DebugWithInfcx, InferCtxtLike, WithInfcx};
use self::TyKind::*;
@ -534,8 +534,8 @@ fn hash<__H: hash::Hasher>(&self, state: &mut __H) -> () {
}
impl<I: Interner> DebugWithInfcx<I> for TyKind<I> {
fn fmt<Infcx: InferCtxtLike<I>>(
this: OptWithInfcx<'_, I, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = I>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut core::fmt::Formatter<'_>,
) -> fmt::Result {
match this.data {
@ -617,7 +617,7 @@ fn fmt<Infcx: InferCtxtLike<I>>(
// This is manually implemented because a derive would require `I: Debug`
impl<I: Interner> fmt::Debug for TyKind<I> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
OptWithInfcx::with_no_infcx(self).fmt(f)
WithInfcx::with_no_infcx(self).fmt(f)
}
}
@ -1239,12 +1239,12 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
}
impl<I: Interner<InferTy = InferTy>> DebugWithInfcx<I> for InferTy {
fn fmt<Infcx: InferCtxtLike<I>>(
this: OptWithInfcx<'_, I, Infcx, &Self>,
fn fmt<Infcx: InferCtxtLike<Interner = I>>(
this: WithInfcx<'_, Infcx, &Self>,
f: &mut fmt::Formatter<'_>,
) -> fmt::Result {
use InferTy::*;
match this.infcx.and_then(|infcx| infcx.universe_of_ty(*this.data)) {
match this.infcx.universe_of_ty(*this.data) {
None => write!(f, "{:?}", this.data),
Some(universe) => match *this.data {
TyVar(ty_vid) => write!(f, "?{}_{}t", ty_vid.index(), universe.index()),