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support untyped #3
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quodlibetor
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Jun 30, 2020
Update license field in static-metric-proc-macros
mweber15
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This is a pedantic lint added in 1.73.0. Because it occurs inside a macro expansion, the lint is triggered from user code. The justification given by the lint definition is: > Matching with `()` explicitly instead of `_` outlines the fact that > the pattern contains no data. Also it would detect a type change that > `_` would ignore. Removing the lint requires a trivial change. It does introduce the possibility for compilation errors in the event the return type of the function currently returning `()` changes, but that seems like more of a benefit than a drawback. In these cases, it seems unlikely that the return type in question will change in the future. The user experience can be seen by linting the examples: ``` % cargo +nightly clippy --examples -- -A clippy::all -W clippy::ignored_unit_patterns -Z macro-backtrace Compiling prometheus v0.13.3 (/home/matt/src/rust-prometheus) ... warning: matching over `()` is more explicit --> /home/matt/src/rust-prometheus/src/macros.rs:217:58 | 214 | macro_rules! register_counter { | ----------------------------- | | | in this expansion of `register_counter!` (tikv#1) | in this expansion of `register_counter!` (tikv#2) | in this expansion of `register_counter!` (tikv#3) ... 217 | $crate::register(Box::new(counter.clone())).map(|_| counter) | ^ ... 221 | register_counter!(@of_type Counter, $OPTS) | ------------------------------------------ in this macro invocation (tikv#3) ... 225 | register_counter!(opts!($NAME, $HELP)) | -------------------------------------- in this macro invocation (tikv#2) | ::: examples/example_push.rs:16:40 | 16 | static ref PUSH_COUNTER: Counter = register_counter!( | ________________________________________- 17 | | "example_push_total", 18 | | "Total number of prometheus client pushed." 19 | | ) | |_____- in this macro invocation (tikv#1) | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ignored_unit_patterns = note: requested on the command line with `-W clippy::ignored-unit-patterns` ... ```
mweber15
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Sep 5, 2023
This is a pedantic lint added in 1.73.0. Because it occurs inside a macro expansion, the lint is triggered from user code. The justification given by the lint definition is: > Matching with `()` explicitly instead of `_` outlines the fact that > the pattern contains no data. Also it would detect a type change that > `_` would ignore. Removing the lint requires a trivial change. It does introduce the possibility for compilation errors in the event the return type of the function currently returning `()` changes, but that seems like more of a benefit than a drawback. In these cases, it seems unlikely that the return type in question will change in the future. The user experience can be seen by linting the examples: ``` % cargo +nightly clippy --examples -- -A clippy::all -W clippy::ignored_unit_patterns -Z macro-backtrace Compiling prometheus v0.13.3 (/home/matt/src/rust-prometheus) ... warning: matching over `()` is more explicit --> /home/matt/src/rust-prometheus/src/macros.rs:217:58 | 214 | macro_rules! register_counter { | ----------------------------- | | | in this expansion of `register_counter!` (tikv#1) | in this expansion of `register_counter!` (tikv#2) | in this expansion of `register_counter!` (tikv#3) ... 217 | $crate::register(Box::new(counter.clone())).map(|_| counter) | ^ ... 221 | register_counter!(@of_type Counter, $OPTS) | ------------------------------------------ in this macro invocation (tikv#3) ... 225 | register_counter!(opts!($NAME, $HELP)) | -------------------------------------- in this macro invocation (tikv#2) | ::: examples/example_push.rs:16:40 | 16 | static ref PUSH_COUNTER: Counter = register_counter!( | ________________________________________- 17 | | "example_push_total", 18 | | "Total number of prometheus client pushed." 19 | | ) | |_____- in this macro invocation (tikv#1) | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ignored_unit_patterns = note: requested on the command line with `-W clippy::ignored-unit-patterns` ... ``` Signed-off-by: Matt Weber <30441572+mweber15@users.noreply.github.com>
mweber15
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Sep 5, 2023
This is a pedantic lint added in 1.73.0. Because it occurs inside a macro expansion, the lint is triggered from user code. The justification given by the lint definition is: > Matching with `()` explicitly instead of `_` outlines the fact that > the pattern contains no data. Also it would detect a type change that > `_` would ignore. Removing the lint requires a trivial change. It does introduce the possibility for compilation errors in the event the return type of the function currently returning `()` changes, but that seems like more of a benefit than a drawback. In these cases, it seems unlikely that the return type in question will change in the future. The user experience can be seen by linting the examples: ``` % cargo +nightly clippy --examples -- -A clippy::all -W clippy::ignored_unit_patterns -Z macro-backtrace Compiling prometheus v0.13.3 (/home/matt/src/rust-prometheus) ... warning: matching over `()` is more explicit --> /home/matt/src/rust-prometheus/src/macros.rs:217:58 | 214 | macro_rules! register_counter { | ----------------------------- | | | in this expansion of `register_counter!` (tikv#1) | in this expansion of `register_counter!` (tikv#2) | in this expansion of `register_counter!` (tikv#3) ... 217 | $crate::register(Box::new(counter.clone())).map(|_| counter) | ^ ... 221 | register_counter!(@of_type Counter, $OPTS) | ------------------------------------------ in this macro invocation (tikv#3) ... 225 | register_counter!(opts!($NAME, $HELP)) | -------------------------------------- in this macro invocation (tikv#2) | ::: examples/example_push.rs:16:40 | 16 | static ref PUSH_COUNTER: Counter = register_counter!( | ________________________________________- 17 | | "example_push_total", 18 | | "Total number of prometheus client pushed." 19 | | ) | |_____- in this macro invocation (tikv#1) | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ignored_unit_patterns = note: requested on the command line with `-W clippy::ignored-unit-patterns` ... ``` Signed-off-by: Matt Weber <30441572+mweber15@users.noreply.github.com>
lucab
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May 3, 2024
This is a pedantic lint added in 1.73.0. Because it occurs inside a macro expansion, the lint is triggered from user code. The justification given by the lint definition is: > Matching with `()` explicitly instead of `_` outlines the fact that > the pattern contains no data. Also it would detect a type change that > `_` would ignore. Removing the lint requires a trivial change. It does introduce the possibility for compilation errors in the event the return type of the function currently returning `()` changes, but that seems like more of a benefit than a drawback. In these cases, it seems unlikely that the return type in question will change in the future. The user experience can be seen by linting the examples: ``` % cargo +nightly clippy --examples -- -A clippy::all -W clippy::ignored_unit_patterns -Z macro-backtrace Compiling prometheus v0.13.3 (/home/matt/src/rust-prometheus) ... warning: matching over `()` is more explicit --> /home/matt/src/rust-prometheus/src/macros.rs:217:58 | 214 | macro_rules! register_counter { | ----------------------------- | | | in this expansion of `register_counter!` (#1) | in this expansion of `register_counter!` (#2) | in this expansion of `register_counter!` (#3) ... 217 | $crate::register(Box::new(counter.clone())).map(|_| counter) | ^ ... 221 | register_counter!(@of_type Counter, $OPTS) | ------------------------------------------ in this macro invocation (#3) ... 225 | register_counter!(opts!($NAME, $HELP)) | -------------------------------------- in this macro invocation (#2) | ::: examples/example_push.rs:16:40 | 16 | static ref PUSH_COUNTER: Counter = register_counter!( | ________________________________________- 17 | | "example_push_total", 18 | | "Total number of prometheus client pushed." 19 | | ) | |_____- in this macro invocation (#1) | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ignored_unit_patterns = note: requested on the command line with `-W clippy::ignored-unit-patterns` ... ``` Signed-off-by: Matt Weber <30441572+mweber15@users.noreply.github.com> Co-authored-by: Luca Bruno <luca.bruno@coreos.com>
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