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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
| commit | 17d40c6057c88f4c432b0d7bac88e1b84cb7e67f (patch) | |
| tree | 3f66c4a5918660bb8a758ab6cda5ff8ee4f6cdcd /src/test/ui/borrowck/index-mut-help.stderr | |
| parent | Adding upstream version 1.64.0+dfsg1. (diff) | |
| download | rustc-upstream/1.65.0+dfsg1.tar.xz rustc-upstream/1.65.0+dfsg1.zip | |
Adding upstream version 1.65.0+dfsg1.upstream/1.65.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/borrowck/index-mut-help.stderr')
| -rw-r--r-- | src/test/ui/borrowck/index-mut-help.stderr | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/test/ui/borrowck/index-mut-help.stderr b/src/test/ui/borrowck/index-mut-help.stderr index 057c6ee15..f42d7e015 100644 --- a/src/test/ui/borrowck/index-mut-help.stderr +++ b/src/test/ui/borrowck/index-mut-help.stderr @@ -1,26 +1,39 @@ error[E0596]: cannot borrow data in an index of `HashMap<&str, String>` as mutable - --> $DIR/index-mut-help.rs:11:5 + --> $DIR/index-mut-help.rs:10:5 | LL | map["peter"].clear(); | ^^^^^^^^^^^^^^^^^^^^ cannot borrow as mutable | = help: trait `IndexMut` is required to modify indexed content, but it is not implemented for `HashMap<&str, String>` +help: to modify a `HashMap<&str, String>` use `.get_mut()` + | +LL | map.get_mut("peter").map(|val| val.clear()); + | ~~~~~~~~~ ~~~~~~~~~~~~~~~ + error[E0594]: cannot assign to data in an index of `HashMap<&str, String>` - --> $DIR/index-mut-help.rs:12:5 + --> $DIR/index-mut-help.rs:11:5 | LL | map["peter"] = "0".to_string(); | ^^^^^^^^^^^^ cannot assign | = help: trait `IndexMut` is required to modify indexed content, but it is not implemented for `HashMap<&str, String>` +help: to modify a `HashMap<&str, String>`, use `.get_mut()`, `.insert()` or the entry API + | +LL | map.insert("peter", "0".to_string()); + | ~~~~~~~~ ~ + +LL | map.get_mut("peter").map(|val| { *val = "0".to_string(); }); + | ~~~~~~~~~ ~~~~~~~~~~~~~~~~~~ ++++ +LL | let val = map.entry("peter").or_insert("0".to_string()); + | +++++++++ ~~~~~~~ ~~~~~~~~~~~~ + error[E0596]: cannot borrow data in an index of `HashMap<&str, String>` as mutable - --> $DIR/index-mut-help.rs:13:13 + --> $DIR/index-mut-help.rs:12:13 | LL | let _ = &mut map["peter"]; | ^^^^^^^^^^^^^^^^^ cannot borrow as mutable | = help: trait `IndexMut` is required to modify indexed content, but it is not implemented for `HashMap<&str, String>` + = help: to modify a `HashMap<&str, String>`, use `.get_mut()`, `.insert()` or the entry API error: aborting due to 3 previous errors |