diff options
| -rw-r--r-- | src/libsyntax/parse/parser.rs | 1 | ||||
| -rw-r--r-- | src/test/parse-fail/require-parens-for-chained-comparison.rs | 3 | ||||
| -rw-r--r-- | src/test/ui/did_you_mean/issue-40396.stderr | 4 |
3 files changed, 7 insertions, 1 deletions
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs index ff020445715..6dbda11e021 100644 --- a/src/libsyntax/parse/parser.rs +++ b/src/libsyntax/parse/parser.rs @@ -2960,6 +2960,7 @@ impl<'a> Parser<'a> { { // Foo<Bar<Baz<Qux, ()>>> err.help( "use `::<...>` instead of `<...>` if you meant to specify type arguments"); + err.help("or use `(...)` if you meant to specify fn arguments"); } err.emit(); } diff --git a/src/test/parse-fail/require-parens-for-chained-comparison.rs b/src/test/parse-fail/require-parens-for-chained-comparison.rs index 7e76dbd31f0..1ee6996ce9c 100644 --- a/src/test/parse-fail/require-parens-for-chained-comparison.rs +++ b/src/test/parse-fail/require-parens-for-chained-comparison.rs @@ -21,5 +21,6 @@ fn main() { f<X>(); //~^ ERROR: chained comparison operators require parentheses - //~^^ HELP: use `::<...>` instead of `<...>` + //~| HELP: use `::<...>` instead of `<...>` + //~| HELP: or use `(...)` } diff --git a/src/test/ui/did_you_mean/issue-40396.stderr b/src/test/ui/did_you_mean/issue-40396.stderr index 1a0c74dc01a..11279f5c612 100644 --- a/src/test/ui/did_you_mean/issue-40396.stderr +++ b/src/test/ui/did_you_mean/issue-40396.stderr @@ -5,6 +5,7 @@ error: chained comparison operators require parentheses | ^^^^^^^^ | = help: use `::<...>` instead of `<...>` if you meant to specify type arguments + = help: or use `(...)` if you meant to specify fn arguments error: chained comparison operators require parentheses --> $DIR/issue-40396.rs:16:25 @@ -13,6 +14,7 @@ error: chained comparison operators require parentheses | ^^^^^^^ | = help: use `::<...>` instead of `<...>` if you meant to specify type arguments + = help: or use `(...)` if you meant to specify fn arguments error: chained comparison operators require parentheses --> $DIR/issue-40396.rs:20:37 @@ -21,6 +23,7 @@ error: chained comparison operators require parentheses | ^^^^^^^^ | = help: use `::<...>` instead of `<...>` if you meant to specify type arguments + = help: or use `(...)` if you meant to specify fn arguments error: chained comparison operators require parentheses --> $DIR/issue-40396.rs:20:41 @@ -29,6 +32,7 @@ error: chained comparison operators require parentheses | ^^^^^^ | = help: use `::<...>` instead of `<...>` if you meant to specify type arguments + = help: or use `(...)` if you meant to specify fn arguments error: aborting due to 4 previous errors |