128 lines
2.6 KiB
Rust
128 lines
2.6 KiB
Rust
#![allow(clippy::assertions_on_constants, clippy::equatable_if_let, clippy::needless_if)]
|
|
#![warn(clippy::collapsible_if, clippy::collapsible_else_if)]
|
|
|
|
#[rustfmt::skip]
|
|
fn main() {
|
|
let x = "hello";
|
|
let y = "world";
|
|
// Collapse `else { if .. }` to `else if ..`
|
|
if x == "hello" {
|
|
print!("Hello ");
|
|
} else if y == "world" {
|
|
println!("world!")
|
|
}
|
|
//~^^^^^ collapsible_else_if
|
|
|
|
if x == "hello" {
|
|
print!("Hello ");
|
|
} else if let Some(42) = Some(42) {
|
|
println!("world!")
|
|
}
|
|
//~^^^^^ collapsible_else_if
|
|
|
|
if x == "hello" {
|
|
print!("Hello ");
|
|
} else if y == "world" {
|
|
println!("world")
|
|
}
|
|
else {
|
|
println!("!")
|
|
}
|
|
//~^^^^^^^^ collapsible_else_if
|
|
|
|
if x == "hello" {
|
|
print!("Hello ");
|
|
} else if let Some(42) = Some(42) {
|
|
println!("world")
|
|
}
|
|
else {
|
|
println!("!")
|
|
}
|
|
//~^^^^^^^^ collapsible_else_if
|
|
|
|
if let Some(42) = Some(42) {
|
|
print!("Hello ");
|
|
} else if let Some(42) = Some(42) {
|
|
println!("world")
|
|
}
|
|
else {
|
|
println!("!")
|
|
}
|
|
//~^^^^^^^^ collapsible_else_if
|
|
|
|
if let Some(42) = Some(42) {
|
|
print!("Hello ");
|
|
} else if x == "hello" {
|
|
println!("world")
|
|
}
|
|
else {
|
|
println!("!")
|
|
}
|
|
//~^^^^^^^^ collapsible_else_if
|
|
|
|
if let Some(42) = Some(42) {
|
|
print!("Hello ");
|
|
} else if let Some(42) = Some(42) {
|
|
println!("world")
|
|
}
|
|
else {
|
|
println!("!")
|
|
}
|
|
//~^^^^^^^^ collapsible_else_if
|
|
|
|
if x == "hello" {
|
|
print!("Hello ");
|
|
} else {
|
|
#[cfg(not(roflol))]
|
|
if y == "world" {
|
|
println!("world!")
|
|
}
|
|
}
|
|
}
|
|
|
|
#[rustfmt::skip]
|
|
fn issue_7318() {
|
|
if true { println!("I've been resolved!")
|
|
}else if false {}
|
|
//~^^^ collapsible_else_if
|
|
}
|
|
|
|
fn issue14799() {
|
|
use std::ops::ControlFlow;
|
|
|
|
let c: ControlFlow<_, ()> = ControlFlow::Break(Some(42));
|
|
if let ControlFlow::Break(Some(_)) = c {
|
|
todo!();
|
|
} else {
|
|
#[cfg(target_os = "freebsd")]
|
|
todo!();
|
|
|
|
if let ControlFlow::Break(None) = c {
|
|
todo!();
|
|
} else {
|
|
todo!();
|
|
}
|
|
}
|
|
}
|
|
|
|
fn in_parens() {
|
|
let x = "hello";
|
|
let y = "world";
|
|
|
|
if x == "hello" {
|
|
print!("Hello ");
|
|
} else if y == "world" { println!("world") } else { println!("!") }
|
|
//~^^^ collapsible_else_if
|
|
}
|
|
|
|
fn in_brackets() {
|
|
let x = "hello";
|
|
let y = "world";
|
|
|
|
// There is no lint when the inner `if` is in a block.
|
|
if x == "hello" {
|
|
print!("Hello ");
|
|
} else {
|
|
{ if y == "world" { println!("world") } else { println!("!") } }
|
|
}
|
|
}
|