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//@aux-build:proc_macro_suspicious_else_formatting.rs
#![warn(clippy::suspicious_else_formatting, clippy::possible_missing_else)]
#![allow(
clippy::if_same_then_else,
clippy::let_unit_value,
clippy::needless_if,
clippy::needless_else
)]
extern crate proc_macro_suspicious_else_formatting;
use proc_macro_suspicious_else_formatting::DeriveBadSpan;
fn foo() -> bool {
true
}
#[rustfmt::skip]
fn main() {
// weird `else` formatting:
if foo() {
} {
//~^ possible_missing_else
}
if foo() {
} if foo() {
//~^ possible_missing_else
}
let _ = { // if as the last expression
let _ = 0;
if foo() {
} if foo() {
//~^ possible_missing_else
}
else {
}
};
let _ = { // if in the middle of a block
if foo() {
} if foo() {
//~^ possible_missing_else
}
else {
}
let _ = 0;
};
if foo() {
} else
{
}
//~^^^ suspicious_else_formatting
// This is fine, though weird. Allman style braces on the else.
if foo() {
}
else
{
}
if foo() {
} else
if foo() { // the span of the above error should continue here
}
//~^^^ suspicious_else_formatting
if foo() {
}
else
if foo() { // the span of the above error should continue here
}
//~^^^^ suspicious_else_formatting
// those are ok:
if foo() {
}
{
}
if foo() {
} else {
}
if foo() {
}
else {
}
if foo() {
}
if foo() {
}
// Almost Allman style braces. Lint these.
if foo() {
}
else
{
}
//~^^^^^ suspicious_else_formatting
if foo() {
}
else
{
}
//~^^^^^^ suspicious_else_formatting
// #3864 - Allman style braces
if foo()
{
}
else
{
}
//#10273 This is fine. Don't warn
if foo() {
} else
/* whelp */
{
}
// #12497 Don't trigger lint as rustfmt wants it
if true {
println!("true");
}
/*else if false {
}*/
else {
println!("false");
}
if true {
println!("true");
} // else if false {}
else {
println!("false");
}
if true {
println!("true");
} /* if true {
println!("true");
}
*/
else {
println!("false");
}
}
// #7650 - Don't lint. Proc-macro using bad spans for `if` expressions.
#[derive(DeriveBadSpan)]
struct _Foo(u32, u32);
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