error: `if _ { .. } else { .. }` is an expression --> $DIR/let_if_seq.rs:57:5 | 57 | let mut foo = 0; | _____^ starting here... 58 | | 59 | | 60 | | 61 | | if f() { 62 | | foo = 42; 63 | | } | |_____^ ...ending here | note: lint level defined here --> $DIR/let_if_seq.rs:5:9 | 5 | #![deny(useless_let_if_seq)] | ^^^^^^^^^^^^^^^^^^ help: it is more idiomatic to write | let foo = if f() { 42 } else { 0 }; = note: you might not need `mut` at all error: `if _ { .. } else { .. }` is an expression --> $DIR/let_if_seq.rs:65:5 | 65 | let mut bar = 0; | _____^ starting here... 66 | | 67 | | 68 | | ... | 74 | | f(); 75 | | } | |_____^ ...ending here | help: it is more idiomatic to write | let bar = if f() { ..; 42 } else { ..; 0 }; = note: you might not need `mut` at all error: `if _ { .. } else { .. }` is an expression --> $DIR/let_if_seq.rs:77:5 | 77 | let quz; | _____^ starting here... 78 | | 79 | | 80 | | ... | 85 | | quz = 0; 86 | | } | |_____^ ...ending here | help: it is more idiomatic to write | let quz = if f() { 42 } else { 0 }; error: `if _ { .. } else { .. }` is an expression --> $DIR/let_if_seq.rs:111:5 | 111 | let mut baz = 0; | _____^ starting here... 112 | | 113 | | 114 | | 115 | | if f() { 116 | | baz = 42; 117 | | } | |_____^ ...ending here | help: it is more idiomatic to write | let baz = if f() { 42 } else { 0 }; = note: you might not need `mut` at all error: aborting due to 4 previous errors