c0e0171880
self_named_constructor -> self_named_constructors append_instead_of_extend -> extend_with_drain
100 lines
1.8 KiB
Rust
100 lines
1.8 KiB
Rust
// run-rustfix
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#![warn(clippy::needless_bool)]
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#![allow(
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unused,
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dead_code,
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clippy::no_effect,
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clippy::if_same_then_else,
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clippy::needless_return,
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clippy::self_named_constructors
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)]
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use std::cell::Cell;
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macro_rules! bool_comparison_trigger {
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($($i:ident: $def:expr, $stb:expr );+ $(;)*) => (
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#[derive(Clone)]
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pub struct Trigger {
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$($i: (Cell<bool>, bool, bool)),+
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}
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#[allow(dead_code)]
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impl Trigger {
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pub fn trigger(&self, key: &str) -> bool {
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$(
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if let stringify!($i) = key {
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return self.$i.1 && self.$i.2 == $def;
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}
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)+
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false
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}
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}
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)
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}
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fn main() {
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let x = true;
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let y = false;
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x;
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!x;
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!(x && y);
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if x {
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x
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} else {
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false
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}; // would also be questionable, but we don't catch this yet
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bool_ret3(x);
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bool_ret4(x);
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bool_ret5(x, x);
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bool_ret6(x, x);
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needless_bool(x);
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needless_bool2(x);
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needless_bool3(x);
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}
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fn bool_ret3(x: bool) -> bool {
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return x;
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}
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fn bool_ret4(x: bool) -> bool {
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return !x;
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}
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fn bool_ret5(x: bool, y: bool) -> bool {
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return x && y;
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}
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fn bool_ret6(x: bool, y: bool) -> bool {
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return !(x && y);
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}
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fn needless_bool(x: bool) {
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if x {};
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}
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fn needless_bool2(x: bool) {
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if !x {};
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}
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fn needless_bool3(x: bool) {
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bool_comparison_trigger! {
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test_one: false, false;
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test_three: false, false;
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test_two: true, true;
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}
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if x {};
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if !x {};
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}
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fn needless_bool_in_the_suggestion_wraps_the_predicate_of_if_else_statement_in_brackets() {
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let b = false;
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let returns_bool = || false;
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let x = if b {
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true
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} else { !returns_bool() };
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}
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