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Proposed format

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This commit is contained in:
Amanda Stjerna 2025-08-06 16:35:20 +02:00
parent bcefc2ee97
commit 61e8869ed9
1 changed files with 3 additions and 3 deletions
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6
compiler/rustc_borrowck/src/region_infer/graphviz.rs
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@ -45,14 +45,14 @@ fn render_region_vid<'tcx>(
NllRegionVariableOrigin::FreeRegion => "".to_string(),
NllRegionVariableOrigin::Placeholder(p) => match p.bound.kind {
ty::BoundRegionKind::Named(def_id) => {
format!("(p for {})", tcx.item_name(def_id))
format!(" (for<{}>)", tcx.item_name(def_id))
}
ty::BoundRegionKind::ClosureEnv | ty::BoundRegionKind::Anon => "(p)".to_string(),
ty::BoundRegionKind::ClosureEnv | ty::BoundRegionKind::Anon => " (for<'_>)".to_string(),
ty::BoundRegionKind::NamedAnon(_) => {
bug!("only used for pretty printing")
}
},
NllRegionVariableOrigin::Existential { .. } => "(ex)".to_string(),
NllRegionVariableOrigin::Existential { .. } => " (ex<'?>)".to_string(),
};
format!("{:?}{universe_str}{external_name_str}{extra_info}", rvid)