mirror of
https://github.com/rust-lang/rust-clippy
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54 lines
1.6 KiB
Text
54 lines
1.6 KiB
Text
error: `format!(..)` appended to existing `String`
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--> $DIR/format_push_string.rs:5:5
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LL | string += &format!("{:?}", 1234);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: consider using `write!` to avoid the extra allocation
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= note: `-D clippy::format-push-string` implied by `-D warnings`
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error: `format!(..)` appended to existing `String`
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--> $DIR/format_push_string.rs:6:5
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LL | string.push_str(&format!("{:?}", 5678));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: consider using `write!` to avoid the extra allocation
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error: `format!(..)` appended to existing `String`
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--> $DIR/format_push_string.rs:13:13
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LL | / hex += &(if upper {
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LL | | format!("{byte:02X}")
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LL | | } else {
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LL | | format!("{byte:02x}")
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LL | | });
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| |______________^
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= help: consider using `write!` to avoid the extra allocation
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error: `format!(..)` appended to existing `String`
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--> $DIR/format_push_string.rs:25:9
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LL | / s += &(if let Some(_a) = Some(1234) {
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LL | | format!("{}", 1234)
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LL | | } else {
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LL | | format!("{}", 1234)
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LL | | });
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| |__________^
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= help: consider using `write!` to avoid the extra allocation
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error: `format!(..)` appended to existing `String`
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--> $DIR/format_push_string.rs:31:9
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LL | / s += &(match Some(1234) {
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LL | | Some(_) => format!("{}", 1234),
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LL | | None => format!("{}", 1234),
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LL | | });
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| |__________^
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= help: consider using `write!` to avoid the extra allocation
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error: aborting due to 5 previous errors
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