mirror of https://github.com/rust-lang/rust
33 lines
1.0 KiB
Rust
33 lines
1.0 KiB
Rust
//@ check-pass
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#![warn(unused_parens)]
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fn id<T>(t: T) -> T { t }
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fn main() {
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// This should not warn
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let _ = 1 as (i32) < 2;
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let _ = id(1 as (i32) < 2);
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let _ = id(1 as i32)
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as (i32) < 2;
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// These should warn
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let _ = 1 as ((i32)) < 2; //~WARN unnecessary parentheses
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let _ = 1 as (i32); //~WARN unnecessary parentheses
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let _ = 1 as (i32) > 2; //~WARN unnecessary parentheses
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let _ = id(1 as (i32)) //~WARN unnecessary parentheses
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as (i32) < 2;
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let _ = id(1 as (i32)) < 2; //~WARN unnecessary parentheses
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// This should not warn
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let _ = 1 as (i32) << 2;
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let _ = id(1 as (i32) << 2);
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let _ = id(1 as i32)
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as (i32) << 2;
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// These should warn
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let _ = 1 as ((i32)) << 2; //~WARN unnecessary parentheses
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let _ = 1 as (i32); //~WARN unnecessary parentheses
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let _ = 1 as (i32) >> 2; //~WARN unnecessary parentheses
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let _ = id(1 as (i32)) //~WARN unnecessary parentheses
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as (i32) << 2;
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let _ = id(1 as (i32)) << 2; //~WARN unnecessary parentheses
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}
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