mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-23 21:23:56 +00:00
153 lines
3.5 KiB
Rust
153 lines
3.5 KiB
Rust
#![warn(clippy::needless_continue)]
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#![allow(clippy::uninlined_format_args)]
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macro_rules! zero {
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($x:expr) => {
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$x == 0
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};
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}
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macro_rules! nonzero {
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($x:expr) => {
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!zero!($x)
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};
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}
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#[allow(clippy::nonminimal_bool)]
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fn main() {
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let mut i = 1;
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while i < 10 {
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i += 1;
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if i % 2 == 0 && i % 3 == 0 {
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println!("{}", i);
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println!("{}", i + 1);
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if i % 5 == 0 {
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println!("{}", i + 2);
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}
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let i = 0;
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println!("bar {} ", i);
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} else {
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//~^ ERROR: this `else` block is redundant
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continue;
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}
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println!("bleh");
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{
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println!("blah");
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}
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// some comments that also should ideally be included in the
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// output of the lint suggestion if possible.
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if !(!(i == 2) || !(i == 5)) {
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println!("lama");
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}
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if (zero!(i % 2) || nonzero!(i % 5)) && i % 3 != 0 {
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//~^ ERROR: there is no need for an explicit `else` block for this `if` expression
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continue;
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} else {
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println!("Blabber");
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println!("Jabber");
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}
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println!("bleh");
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}
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}
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fn simple_loop() {
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loop {
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continue;
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//~^ ERROR: this `continue` expression is redundant
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}
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}
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fn simple_loop2() {
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loop {
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println!("bleh");
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continue;
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//~^ ERROR: this `continue` expression is redundant
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}
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}
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#[rustfmt::skip]
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fn simple_loop3() {
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loop {
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continue
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//~^ ERROR: this `continue` expression is redundant
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}
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}
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#[rustfmt::skip]
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fn simple_loop4() {
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loop {
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println!("bleh");
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continue
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//~^ ERROR: this `continue` expression is redundant
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}
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}
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mod issue_2329 {
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fn condition() -> bool {
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unimplemented!()
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}
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fn update_condition() {}
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// only the outer loop has a label
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fn foo() {
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'outer: loop {
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println!("Entry");
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while condition() {
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update_condition();
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if condition() {
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println!("foo-1");
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} else {
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continue 'outer; // should not lint here
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}
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println!("foo-2");
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update_condition();
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if condition() {
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continue 'outer; // should not lint here
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} else {
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println!("foo-3");
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}
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println!("foo-4");
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}
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}
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}
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// both loops have labels
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fn bar() {
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'outer: loop {
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println!("Entry");
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'inner: while condition() {
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update_condition();
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if condition() {
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println!("bar-1");
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} else {
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continue 'outer; // should not lint here
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}
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println!("bar-2");
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update_condition();
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if condition() {
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println!("bar-3");
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} else {
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//~^ ERROR: this `else` block is redundant
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continue 'inner;
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}
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println!("bar-4");
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update_condition();
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if condition() {
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//~^ ERROR: there is no need for an explicit `else` block for this `if` ex
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continue;
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} else {
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println!("bar-5");
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}
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println!("bar-6");
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}
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}
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}
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}
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