#![allow(dead_code)] #![deny(clippy::if_same_then_else, clippy::branches_sharing_code)] // This tests the branches_sharing_code lint at the end of blocks fn simple_examples() { let x = 1; let _ = if x == 7 { println!("Branch I"); let start_value = 0; println!("=^.^="); // Same but not moveable due to `start_value` let _ = start_value; // The rest is self contained and moveable => Only lint the rest let result = false; println!("Block end!"); result } else { println!("Branch II"); let start_value = 8; println!("xD"); // Same but not moveable due to `start_value` let _ = start_value; // The rest is self contained and moveable => Only lint the rest let result = false; println!("Block end!"); result }; // Else if block if x == 9 { println!("The index is: 6"); println!("Same end of block"); } else if x == 8 { println!("The index is: 4"); // We should only get a lint trigger for the last statement println!("This is also eq with the else block"); println!("Same end of block"); } else { println!("This is also eq with the else block"); println!("Same end of block"); } // Use of outer scope value let outer_scope_value = "I'm outside the if block"; if x < 99 { let z = "How are you"; println!("I'm a local because I use the value `z`: `{}`", z); println!( "I'm moveable because I know: `outer_scope_value`: '{}'", outer_scope_value ); } else { let z = 45678000; println!("I'm a local because I use the value `z`: `{}`", z); println!( "I'm moveable because I know: `outer_scope_value`: '{}'", outer_scope_value ); } if x == 9 { if x == 8 { // No parent!! println!("---"); println!("Hello World"); } else { println!("Hello World"); } } } /// Simple examples where the move can cause some problems due to moved values fn simple_but_suggestion_is_invalid() { let x = 16; // Local value let later_used_value = 17; if x == 9 { let _ = 9; let later_used_value = "A string value"; println!("{}", later_used_value); } else { let later_used_value = "A string value"; println!("{}", later_used_value); // I'm expecting a note about this } println!("{}", later_used_value); // outer function if x == 78 { let simple_examples = "I now identify as a &str :)"; println!("This is the new simple_example: {}", simple_examples); } else { println!("Separator print statement"); let simple_examples = "I now identify as a &str :)"; println!("This is the new simple_example: {}", simple_examples); } simple_examples(); } /// Tests where the blocks are not linted due to the used value scope fn not_moveable_due_to_value_scope() { let x = 18; // Using a local value in the moved code if x == 9 { let y = 18; println!("y is: `{}`", y); } else { let y = "A string"; println!("y is: `{}`", y); } // Using a local value in the expression let _ = if x == 0 { let mut result = x + 1; println!("1. Doing some calculations"); println!("2. Some more calculations"); println!("3. Setting result"); result } else { let mut result = x - 1; println!("1. Doing some calculations"); println!("2. Some more calculations"); println!("3. Setting result"); result }; let _ = if x == 7 { let z1 = 100; println!("z1: {}", z1); let z2 = z1; println!("z2: {}", z2); z2 } else { let z1 = 300; println!("z1: {}", z1); let z2 = z1; println!("z2: {}", z2); z2 }; } /// This should add a note to the lint msg since the moved expression is not `()` fn added_note_for_expression_use() -> u32 { let x = 9; let _ = if x == 7 { x << 2 } else { let _ = 6; x << 2 }; if x == 9 { x * 4 } else { let _ = 17; x * 4 } } #[rustfmt::skip] fn test_suggestion_with_weird_formatting() { let x = 9; let mut a = 0; let mut b = 0; // The error message still looks weird tbh but this is the best I can do // for weird formatting if x == 17 { b = 1; a = 0x99; } else { a = 0x99; } } fn fp_test() { let x = 17; if x == 18 { let y = 19; if y < x { println!("Trigger") } } else { let z = 166; if z < x { println!("Trigger") } } } fn main() {}