Skip to content

add help message for exclusive_range_pattern error #120152

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

Merged
merged 1 commit into from
Jan 22, 2024
Merged

add help message for exclusive_range_pattern error #120152

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
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
3 changes: 2 additions & 1 deletion compiler/rustc_ast_passes/src/feature_gate.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -398,7 +398,8 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> {
&self,
exclusive_range_pattern,
pattern.span,
"exclusive range pattern syntax is experimental"
"exclusive range pattern syntax is experimental",
"use an inclusive range pattern, like N..=M"
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

This could also be made an automatically applicable suggestion using the right N and M values, but this is already an improvement, so let's land it.

);
}
_ => {}
Expand Down
1 change: 1 addition & 0 deletions tests/ui/feature-gates/feature-gate-exclusive-range-pattern.stderr
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ LL | 0 .. 3 => {}
= note: see issue #37854 <https://github.com/rust-lang/rust/issues/37854> for more information
= help: add `#![feature(exclusive_range_pattern)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
= help: use an inclusive range pattern, like N..=M

error: aborting due to 1 previous error

Expand Down
2 changes: 2 additions & 0 deletions tests/ui/half-open-range-patterns/range_pat_interactions1.stderr
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ LL | if let n @ 2..3|4 = x {
= note: see issue #37854 <https://github.com/rust-lang/rust/issues/37854> for more information
= help: add `#![feature(exclusive_range_pattern)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
= help: use an inclusive range pattern, like N..=M

error[E0658]: exclusive range pattern syntax is experimental
--> $DIR/range_pat_interactions1.rs:14:23
Expand All @@ -31,6 +32,7 @@ LL | } else if let 2..3 | 4 = x {
= note: see issue #37854 <https://github.com/rust-lang/rust/issues/37854> for more information
= help: add `#![feature(exclusive_range_pattern)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
= help: use an inclusive range pattern, like N..=M

error: aborting due to 4 previous errors

Expand Down
4 changes: 4 additions & 0 deletions tests/ui/half-open-range-patterns/range_pat_interactions3.stderr
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ LL | 1 | -3..0 => first_or.push(x),
= note: see issue #37854 <https://github.com/rust-lang/rust/issues/37854> for more information
= help: add `#![feature(exclusive_range_pattern)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
= help: use an inclusive range pattern, like N..=M

error[E0658]: exclusive range pattern syntax is experimental
--> $DIR/range_pat_interactions3.rs:12:18
Expand All @@ -27,6 +28,7 @@ LL | y @ (0..5 | 6) => or_two.push(y),
= note: see issue #37854 <https://github.com/rust-lang/rust/issues/37854> for more information
= help: add `#![feature(exclusive_range_pattern)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
= help: use an inclusive range pattern, like N..=M

error[E0658]: exclusive range pattern syntax is experimental
--> $DIR/range_pat_interactions3.rs:14:17
Expand All @@ -37,6 +39,7 @@ LL | y @ 0..const { 5 + 1 } => assert_eq!(y, 5),
= note: see issue #37854 <https://github.com/rust-lang/rust/issues/37854> for more information
= help: add `#![feature(exclusive_range_pattern)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
= help: use an inclusive range pattern, like N..=M

error[E0658]: exclusive range pattern syntax is experimental
--> $DIR/range_pat_interactions3.rs:18:17
Expand All @@ -47,6 +50,7 @@ LL | y @ ..-7 => assert_eq!(y, -8),
= note: see issue #37854 <https://github.com/rust-lang/rust/issues/37854> for more information
= help: add `#![feature(exclusive_range_pattern)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
= help: use an inclusive range pattern, like N..=M

error: aborting due to 5 previous errors

Expand Down
2 changes: 2 additions & 0 deletions tests/ui/half-open-range-patterns/slice_pattern_syntax_problem1.stderr
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ LL | let [a @ 3.., b @ ..3, c @ 4..6, ..] = xs;
= note: see issue #37854 <https://github.com/rust-lang/rust/issues/37854> for more information
= help: add `#![feature(exclusive_range_pattern)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
= help: use an inclusive range pattern, like N..=M

error[E0658]: exclusive range pattern syntax is experimental
--> $DIR/slice_pattern_syntax_problem1.rs:4:32
Expand All @@ -27,6 +28,7 @@ LL | let [a @ 3.., b @ ..3, c @ 4..6, ..] = xs;
= note: see issue #37854 <https://github.com/rust-lang/rust/issues/37854> for more information
= help: add `#![feature(exclusive_range_pattern)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
= help: use an inclusive range pattern, like N..=M

error: aborting due to 3 previous errors

Expand Down