41 lines
1.0 KiB
Rust
41 lines
1.0 KiB
Rust
#![feature(plugin, never_type)]
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#![plugin(clippy)]
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#![deny(diverging_sub_expression)]
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#![allow(match_same_arms, logic_bug)]
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#[allow(empty_loop)]
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fn diverge() -> ! { loop {} }
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struct A;
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impl A {
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fn foo(&self) -> ! { diverge() }
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}
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#[allow(unused_variables, unnecessary_operation)]
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fn main() {
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let b = true;
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b || diverge(); //~ ERROR sub-expression diverges
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b || A.foo(); //~ ERROR sub-expression diverges
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}
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#[allow(dead_code, unused_variables)]
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fn foobar() {
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loop {
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let x = match 5 {
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4 => return,
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5 => continue,
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6 => true || return, //~ ERROR sub-expression diverges
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7 => true || continue, //~ ERROR sub-expression diverges
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8 => break,
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9 => diverge(),
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3 => true || diverge(), //~ ERROR sub-expression diverges
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10 => match 42 {
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99 => return,
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_ => true || panic!("boo"),
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},
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_ => true || break, //~ ERROR sub-expression diverges
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};
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}
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}
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