Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Allow printing lifetime placeholders #557

Merged
merged 3 commits into from
Jul 4, 2020
Merged

Allow printing lifetime placeholders #557

Changes from 1 commit
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
d10bad9
Do not panic on placeholders in program
detrumi Jul 4, 2020
e4d089f
Fix displaying placeholder lifetime
detrumi Jul 4, 2020
85d0d72
Do not panic during displaying types
detrumi Jul 4, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 3 additions & 3 deletions chalk-solve/src/display/ty.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -267,9 +267,9 @@ impl<I: Interner> RenderAsRust<I> for LifetimeData<I> {
match self {
LifetimeData::BoundVar(v) => write!(f, "'{}", s.display_bound_var(v)),
LifetimeData::InferenceVar(_) => write!(f, "'_"),
LifetimeData::Placeholder(_) => unreachable!(
"cannot print placeholder variables; these should only be in goals not programs"
),
// Note: placeholders should not occur in programs, but are currently used by
// rust-analyzer, because lifetimes are not implemented yet.
LifetimeData::Placeholder(ix) => write!(f, "_placeholder_{}_{}", ix.ui.counter, ix.idx),
detrumi marked this conversation as resolved.
Show resolved Hide resolved
// Matching the void ensures at compile time that this code is
// unreachable
LifetimeData::Phantom(void, _) => match *void {},
Expand Down