#![feature(custom_inner_attributes)] #![warn(clippy::manual_clamp)] #![allow( unused, dead_code, clippy::unnecessary_operation, clippy::no_effect, clippy::if_same_then_else )] use std::cmp::{max as cmp_max, min as cmp_min}; const CONST_MAX: i32 = 10; const CONST_MIN: i32 = 4; const CONST_F64_MAX: f64 = 10.0; const CONST_F64_MIN: f64 = 4.0; fn main() { let (input, min, max) = (0, -2, 3); // Lint let x0 = if max < input { max } else if min > input { min } else { input }; let x1 = if input > max { max } else if input < min { min } else { input }; let x2 = if input < min { min } else if input > max { max } else { input }; let x3 = if min > input { min } else if max < input { max } else { input }; let x4 = input.max(min).min(max); let x5 = input.min(max).max(min); let x6 = match input { x if x > max => max, x if x < min => min, x => x, }; let x7 = match input { x if x < min => min, x if x > max => max, x => x, }; let x8 = match input { x if max < x => max, x if min > x => min, x => x, }; let mut x9 = input; if x9 < min { x9 = min; } if x9 > max { x9 = max; } let x10 = match input { x if min > x => min, x if max < x => max, x => x, }; let mut x11 = input; let _ = 1; if x11 > max { x11 = max; } if x11 < min { x11 = min; } let mut x12 = input; if min > x12 { x12 = min; } if max < x12 { x12 = max; } let mut x13 = input; if max < x13 { x13 = max; } if min > x13 { x13 = min; } let x14 = if input > CONST_MAX { CONST_MAX } else if input < CONST_MIN { CONST_MIN } else { input }; { let (input, min, max) = (0.0f64, -2.0, 3.0); let x15 = if input > max { max } else if input < min { min } else { input }; } { let input: i32 = cmp_min_max(1); // These can only be detected if exactly one of the arguments to the inner function is const. let x16 = cmp_max(cmp_min(input, CONST_MAX), CONST_MIN); let x17 = cmp_min(cmp_max(input, CONST_MIN), CONST_MAX); let x18 = cmp_max(CONST_MIN, cmp_min(input, CONST_MAX)); let x19 = cmp_min(CONST_MAX, cmp_max(input, CONST_MIN)); let x20 = cmp_max(cmp_min(CONST_MAX, input), CONST_MIN); let x21 = cmp_min(cmp_max(CONST_MIN, input), CONST_MAX); let x22 = cmp_max(CONST_MIN, cmp_min(CONST_MAX, input)); let x23 = cmp_min(CONST_MAX, cmp_max(CONST_MIN, input)); let input: f64 = cmp_min_max(1) as f64; let x24 = f64::max(f64::min(input, CONST_F64_MAX), CONST_F64_MIN); let x25 = f64::min(f64::max(input, CONST_F64_MIN), CONST_F64_MAX); let x26 = f64::max(CONST_F64_MIN, f64::min(input, CONST_F64_MAX)); let x27 = f64::min(CONST_F64_MAX, f64::max(input, CONST_F64_MIN)); let x28 = f64::max(f64::min(CONST_F64_MAX, input), CONST_F64_MIN); let x29 = f64::min(f64::max(CONST_F64_MIN, input), CONST_F64_MAX); let x30 = f64::max(CONST_F64_MIN, f64::min(CONST_F64_MAX, input)); let x31 = f64::min(CONST_F64_MAX, f64::max(CONST_F64_MIN, input)); } let mut x32 = input; if x32 < min { x32 = min; } else if x32 > max { x32 = max; } // It's important this be the last set of statements let mut x33 = input; if max < x33 { x33 = max; } if min > x33 { x33 = min; } } // This code intentionally nonsense. fn no_lint() { let (input, min, max) = (0, -2, 3); let x0 = if max < input { max } else if min > input { max } else { min }; let x1 = if input > max { max } else if input > min { min } else { max }; let x2 = if max < min { min } else if input > max { input } else { input }; let x3 = if min > input { input } else if max < input { max } else { max }; let x6 = match input { x if x < max => x, x if x < min => x, x => x, }; let x7 = match input { x if x < min => max, x if x > max => min, x => x, }; let x8 = match input { x if max > x => max, x if min > x => min, x => x, }; let mut x9 = input; if x9 > min { x9 = min; } if x9 > max { x9 = max; } let x10 = match input { x if min > x => min, x if max < x => max, x => min, }; let mut x11 = input; if x11 > max { x11 = min; } if x11 < min { x11 = max; } let mut x12 = input; if min > x12 { x12 = max * 3; } if max < x12 { x12 = min; } let mut x13 = input; if max < x13 { let x13 = max; } if min > x13 { x13 = min; } let mut x14 = input; if x14 < min { x14 = 3; } else if x14 > max { x14 = max; } { let input: i32 = cmp_min_max(1); // These can only be detected if exactly one of the arguments to the inner function is const. let x16 = cmp_max(cmp_max(input, CONST_MAX), CONST_MIN); let x17 = cmp_min(cmp_min(input, CONST_MIN), CONST_MAX); let x18 = cmp_max(CONST_MIN, cmp_max(input, CONST_MAX)); let x19 = cmp_min(CONST_MAX, cmp_min(input, CONST_MIN)); let x20 = cmp_max(cmp_max(CONST_MAX, input), CONST_MIN); let x21 = cmp_min(cmp_min(CONST_MIN, input), CONST_MAX); let x22 = cmp_max(CONST_MIN, cmp_max(CONST_MAX, input)); let x23 = cmp_min(CONST_MAX, cmp_min(CONST_MIN, input)); let input: f64 = cmp_min_max(1) as f64; let x24 = f64::max(f64::max(input, CONST_F64_MAX), CONST_F64_MIN); let x25 = f64::min(f64::min(input, CONST_F64_MIN), CONST_F64_MAX); let x26 = f64::max(CONST_F64_MIN, f64::max(input, CONST_F64_MAX)); let x27 = f64::min(CONST_F64_MAX, f64::min(input, CONST_F64_MIN)); let x28 = f64::max(f64::max(CONST_F64_MAX, input), CONST_F64_MIN); let x29 = f64::min(f64::min(CONST_F64_MIN, input), CONST_F64_MAX); let x30 = f64::max(CONST_F64_MIN, f64::max(CONST_F64_MAX, input)); let x31 = f64::min(CONST_F64_MAX, f64::min(CONST_F64_MIN, input)); let x32 = f64::min(CONST_F64_MAX, f64::min(CONST_F64_MIN, CONST_F64_MAX)); } } fn dont_tell_me_what_to_do() { let (input, min, max) = (0, -2, 3); let mut x_never = input; #[allow(clippy::manual_clamp)] if x_never < min { x_never = min; } if x_never > max { x_never = max; } } /// Just to ensure this isn't const evaled fn cmp_min_max(input: i32) -> i32 { input * 3 } fn msrv_1_49() { #![clippy::msrv = "1.49"] let (input, min, max) = (0, -1, 2); let _ = if input < min { min } else if input > max { max } else { input }; } fn msrv_1_50() { #![clippy::msrv = "1.50"] let (input, min, max) = (0, -1, 2); let _ = if input < min { min } else if input > max { max } else { input }; }