Auto merge of #6550 - In-line:did-you-mean-with-question-mark, r=dwijnand

Perhaps you meant: foo, bar or foobar

Hi! Rust project is very cool, but I noticed some minor issues. In every place `did you mean: bla bla` end with the question mark, so I decided to include it here too.

Author: bors

src/cargo/core/resolver/errors.rs

@@ -253,8 +253,15 @@ pub(super) fn activation_error(
                 names.push("...");
             }
 
-            msg.push_str("did you mean: ");
-            msg.push_str(&names.join(", "));
+            msg.push_str("perhaps you meant: ");
+            msg.push_str(&names.iter().enumerate().fold(
+                String::default(),
+                |acc, (i, el)| match i {
+                    0 => acc + el,
+                    i if names.len() - 1 == i && candidates.len() <= 3 => acc + " or " + el,
+                    _ => acc + ", " + el,
+                },
+            ));
             msg.push_str("\n");
         }
         msg.push_str("required by ");

tests/testsuite/directory.rs

@@ -189,7 +189,7 @@ error: failed to compile `bar v0.1.0`, intermediate artifacts can be found at `[
 Caused by:
   no matching package named `baz` found
 location searched: registry `https://github.com/rust-lang/crates.io-index`
-did you mean: bar, foo
+perhaps you meant: bar or foo
 required by package `bar v0.1.0`
 ",
         )

tests/testsuite/path.rs

@@ -981,7 +981,7 @@ fn invalid_path_dep_in_workspace_with_lockfile() {
             "\
 error: no matching package named `bar` found
 location searched: [..]
-did you mean: foo
+perhaps you meant: foo
 required by package `foo v0.5.0 ([..])`
 ",
         )

tests/testsuite/registry.rs

@@ -155,7 +155,7 @@ fn wrong_case() {
 [UPDATING] [..] index
 error: no matching package named `Init` found
 location searched: registry [..]
-did you mean: init
+perhaps you meant: init
 required by package `foo v0.0.1 ([..])`
 ",
         )
@@ -190,7 +190,7 @@ fn mis_hyphenated() {
 [UPDATING] [..] index
 error: no matching package named `mis_hyphenated` found
 location searched: registry [..]
-did you mean: mis-hyphenated
+perhaps you meant: mis-hyphenated
 required by package `foo v0.0.1 ([..])`
 ",
         )