111 lines
1.9 KiB
Rust
111 lines
1.9 KiB
Rust
// run-rustfix
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#![allow(unused, clippy::needless_bool)]
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#![allow(clippy::if_same_then_else, clippy::single_match)]
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#![warn(clippy::needless_return)]
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macro_rules! the_answer {
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() => {
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42
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};
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}
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fn test_end_of_fn() -> bool {
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if true {
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// no error!
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return true;
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}
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return true;
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}
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fn test_no_semicolon() -> bool {
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return true;
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}
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fn test_if_block() -> bool {
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if true {
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return true;
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} else {
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return false;
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}
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}
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fn test_match(x: bool) -> bool {
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match x {
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true => return false,
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false => {
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return true;
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},
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}
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}
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fn test_closure() {
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let _ = || {
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return true;
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};
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let _ = || return true;
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}
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fn test_macro_call() -> i32 {
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return the_answer!();
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}
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fn test_void_fun() {
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return;
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}
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fn test_void_if_fun(b: bool) {
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if b {
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return;
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} else {
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return;
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}
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}
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fn test_void_match(x: u32) {
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match x {
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0 => (),
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_ => return,
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}
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}
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fn read_line() -> String {
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use std::io::BufRead;
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let stdin = ::std::io::stdin();
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return stdin.lock().lines().next().unwrap().unwrap();
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}
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fn borrows_but_not_last(value: bool) -> String {
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if value {
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use std::io::BufRead;
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let stdin = ::std::io::stdin();
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let _a = stdin.lock().lines().next().unwrap().unwrap();
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return String::from("test");
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} else {
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return String::new();
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}
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}
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macro_rules! needed_return {
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($e:expr) => {
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if $e > 3 {
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return;
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}
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};
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}
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fn test_return_in_macro() {
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// This will return and the macro below won't be executed. Removing the `return` from the macro
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// will change semantics.
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needed_return!(10);
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needed_return!(0);
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}
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fn main() {
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let _ = test_end_of_fn();
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let _ = test_no_semicolon();
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let _ = test_if_block();
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let _ = test_match(true);
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test_closure();
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}
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