36 lines
1.6 KiB
Rust
36 lines
1.6 KiB
Rust
#![feature(plugin)]
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#![plugin(clippy)]
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#![deny(invalid_upcast_comparisons)]
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#![allow(unused, eq_op, no_effect, unnecessary_operation)]
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fn main() {
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let zero: u32 = 0;
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let u8_max: u8 = 255;
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(u8_max as u32) > 300; //~ERROR because of the numeric bounds on `u8_max` prior to casting, this expression is always false
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(u8_max as u32) > 20;
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(zero as i32) < -5; //~ERROR because of the numeric bounds on `zero` prior to casting, this expression is always false
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(zero as i32) < 10;
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-5 < (zero as i32); //~ERROR because of the numeric bounds on `zero` prior to casting, this expression is always true
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0 <= (zero as i32); //~ERROR because of the numeric bounds on `zero` prior to casting, this expression is always true
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0 < (zero as i32);
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-5 > (zero as i32); //~ERROR because of the numeric bounds on `zero` prior to casting, this expression is always false
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-5 >= (u8_max as i32); //~ERROR because of the numeric bounds on `u8_max` prior to casting, this expression is always false
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1337 == (u8_max as i32); //~ERROR because of the numeric bounds on `u8_max` prior to casting, this expression is always false
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-5 == (zero as i32); //~ERROR because of the numeric bounds on `zero` prior to casting, this expression is always false
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-5 != (u8_max as i32); //~ERROR because of the numeric bounds on `u8_max` prior to casting, this expression is always true
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// Those are Ok:
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42 == (u8_max as i32);
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42 != (u8_max as i32);
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42 > (u8_max as i32);
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(u8_max as i32) == 42;
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(u8_max as i32) != 42;
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(u8_max as i32) > 42;
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(u8_max as i32) < 42;
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}
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