2019-01-13 10:44:45 +00:00
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// run-rustfix
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2021-10-04 06:33:40 +00:00
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#![allow(clippy::assertions_on_constants, clippy::equatable_if_let)]
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2019-01-13 10:44:45 +00:00
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2018-12-08 17:56:59 +00:00
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#[rustfmt::skip]
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2018-07-28 15:34:52 +00:00
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#[warn(clippy::collapsible_if)]
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2015-05-29 14:07:34 +00:00
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fn main() {
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let x = "hello";
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let y = "world";
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2016-06-07 16:32:26 +00:00
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if x == "hello" {
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2015-05-29 14:07:34 +00:00
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if y == "world" {
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println!("Hello world!");
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}
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}
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2016-06-07 16:32:26 +00:00
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if x == "hello" || x == "world" {
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2015-05-29 14:07:34 +00:00
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if y == "world" || y == "hello" {
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println!("Hello world!");
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}
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}
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2016-06-29 19:26:26 +00:00
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if x == "hello" && x == "world" {
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if y == "world" || y == "hello" {
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println!("Hello world!");
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}
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}
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if x == "hello" || x == "world" {
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if y == "world" && y == "hello" {
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println!("Hello world!");
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}
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}
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if x == "hello" && x == "world" {
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if y == "world" && y == "hello" {
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println!("Hello world!");
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}
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}
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if 42 == 1337 {
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if 'a' != 'A' {
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println!("world!")
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}
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}
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2015-05-29 14:07:34 +00:00
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// Works because any if with an else statement cannot be collapsed.
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if x == "hello" {
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if y == "world" {
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println!("Hello world!");
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}
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} else {
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println!("Not Hello world");
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}
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if x == "hello" {
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if y == "world" {
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println!("Hello world!");
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} else {
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println!("Hello something else");
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}
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}
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2015-08-11 18:22:20 +00:00
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if x == "hello" {
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print!("Hello ");
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if y == "world" {
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println!("world!")
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}
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}
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2016-07-01 15:41:57 +00:00
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if true {
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} else {
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assert!(true); // assert! is just an `if`
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}
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2018-10-16 20:20:27 +00:00
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2018-11-22 03:40:09 +00:00
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// The following tests check for the fix of https://github.com/rust-lang/rust-clippy/issues/798
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2018-10-16 20:20:27 +00:00
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if x == "hello" {// Not collapsible
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if y == "world" {
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println!("Hello world!");
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}
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}
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if x == "hello" { // Not collapsible
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if y == "world" {
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println!("Hello world!");
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}
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}
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if x == "hello" {
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// Not collapsible
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if y == "world" {
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println!("Hello world!");
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}
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}
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if x == "hello" {
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if y == "world" { // Collapsible
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println!("Hello world!");
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}
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}
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if x == "hello" {
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print!("Hello ");
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} else {
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// Not collapsible
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if y == "world" {
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println!("world!")
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}
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}
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if x == "hello" {
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print!("Hello ");
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} else {
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// Not collapsible
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if let Some(42) = Some(42) {
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println!("world!")
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}
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}
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2018-10-18 16:57:16 +00:00
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if x == "hello" {
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/* Not collapsible */
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if y == "world" {
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println!("Hello world!");
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}
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}
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if x == "hello" { /* Not collapsible */
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if y == "world" {
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println!("Hello world!");
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}
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}
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2019-05-21 06:17:47 +00:00
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// Test behavior wrt. `let_chains`.
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// None of the cases below should be collapsed.
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fn truth() -> bool { true }
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// Prefix:
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if let 0 = 1 {
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if truth() {}
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}
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// Suffix:
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if truth() {
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if let 0 = 1 {}
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}
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// Midfix:
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if truth() {
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if let 0 = 1 {
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if truth() {}
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}
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}
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2020-08-31 15:05:53 +00:00
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// Fix #5962
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if matches!(true, true) {
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if matches!(true, true) {}
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}
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2021-02-08 17:00:30 +00:00
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2022-08-31 16:47:56 +00:00
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// Issue #9375
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if matches!(true, true) && truth() {
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if matches!(true, true) {}
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}
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2021-02-08 17:00:30 +00:00
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if true {
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#[cfg(not(teehee))]
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if true {
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println!("Hello world!");
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}
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}
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2015-05-29 14:07:34 +00:00
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}
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