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Nov 24, 2023 in 0s
clippy
1 warning
Details
Results
| Message level | Amount |
|---|---|
| Internal compiler error | 0 |
| Error | 0 |
| Warning | 1 |
| Note | 0 |
| Help | 0 |
Versions
- rustc 1.74.0 (79e9716c9 2023-11-13)
- cargo 1.74.0 (ecb9851af 2023-10-18)
- clippy 0.1.74 (79e9716 2023-11-13)
Annotations
Check warning on line 136 in providers/cloudwatch/src/client/canonical_request.rs
github-actions / clippy
use of `format!` to build up a string from an iterator
warning: use of `format!` to build up a string from an iterator
--> providers/cloudwatch/src/client/canonical_request.rs:132:31
|
132 | let headers: String = self
| _______________________________^
133 | | .headers
134 | | .iter()
135 | | .map(|(k, v)| format!("{k}:{v}\n"))
136 | | .collect::<String>()
| |________________________________^
|
help: call `fold` instead
--> providers/cloudwatch/src/client/canonical_request.rs:135:14
|
135 | .map(|(k, v)| format!("{k}:{v}\n"))
| ^^^
help: ... and use the `write!` macro here
--> providers/cloudwatch/src/client/canonical_request.rs:135:27
|
135 | .map(|(k, v)| format!("{k}:{v}\n"))
| ^^^^^^^^^^^^^^^^^^^^
= note: this can be written more efficiently by appending to a `String` directly
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#format_collect
= note: `#[warn(clippy::format_collect)]` on by default
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