2
0
Fork 0
mirror of https://github.com/rust-lang/rust-clippy synced 2024-12-25 04:23:22 +00:00
rust-clippy/tests/ui/format_collect.stderr

64 lines
2.2 KiB
Text

error: use of `format!` to build up a string from an iterator
--> tests/ui/format_collect.rs:5:5
|
LL | bytes.iter().map(|b| format!("{b:02X}")).collect()
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: call `fold` instead
--> tests/ui/format_collect.rs:5:18
|
LL | bytes.iter().map(|b| format!("{b:02X}")).collect()
| ^^^
help: ... and use the `write!` macro here
--> tests/ui/format_collect.rs:5:26
|
LL | bytes.iter().map(|b| format!("{b:02X}")).collect()
| ^^^^^^^^^^^^^^^^^^
= note: this can be written more efficiently by appending to a `String` directly
= note: `-D clippy::format-collect` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::format_collect)]`
error: use of `format!` to build up a string from an iterator
--> tests/ui/format_collect.rs:11:5
|
LL | bytes.iter().map(|b| {{{{{ format!("{b:02X}") }}}}}).collect()
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: call `fold` instead
--> tests/ui/format_collect.rs:11:18
|
LL | bytes.iter().map(|b| {{{{{ format!("{b:02X}") }}}}}).collect()
| ^^^
help: ... and use the `write!` macro here
--> tests/ui/format_collect.rs:11:32
|
LL | bytes.iter().map(|b| {{{{{ format!("{b:02X}") }}}}}).collect()
| ^^^^^^^^^^^^^^^^^^
= note: this can be written more efficiently by appending to a `String` directly
error: use of `format!` to build up a string from an iterator
--> tests/ui/format_collect.rs:26:5
|
LL | / (1..10)
LL | |
LL | | .map(|s| {
LL | | let y = 1;
LL | | format!("{s} {y}")
LL | | })
LL | | .collect()
| |__________________^
|
help: call `fold` instead
--> tests/ui/format_collect.rs:28:10
|
LL | .map(|s| {
| ^^^
help: ... and use the `write!` macro here
--> tests/ui/format_collect.rs:30:13
|
LL | format!("{s} {y}")
| ^^^^^^^^^^^^^^^^^^
= note: this can be written more efficiently by appending to a `String` directly
error: aborting due to 3 previous errors