2018-09-01 08:05:55 -05:00
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const ADD_A: (u32, bool) = 5u32.overflowing_add(2);
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const ADD_B: (u32, bool) = u32::max_value().overflowing_add(1);
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const SUB_A: (u32, bool) = 5u32.overflowing_sub(2);
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const SUB_B: (u32, bool) = 0u32.overflowing_sub(1);
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const MUL_A: (u32, bool) = 5u32.overflowing_mul(2);
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const MUL_B: (u32, bool) = 1_000_000_000u32.overflowing_mul(10);
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const SHL_A: (u32, bool) = 0x1u32.overflowing_shl(4);
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const SHL_B: (u32, bool) = 0x1u32.overflowing_shl(132);
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const SHR_A: (u32, bool) = 0x10u32.overflowing_shr(4);
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const SHR_B: (u32, bool) = 0x10u32.overflowing_shr(132);
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2019-02-01 19:50:21 -06:00
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const NEG_A: (u32, bool) = 0.overflowing_neg();
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const NEG_B: (u32, bool) = core::u32::MAX.overflowing_neg();
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2018-09-03 08:25:06 -05:00
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fn ident<T>(ident: T) -> T {
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ident
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}
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2018-09-01 08:05:55 -05:00
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fn main() {
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2018-09-03 08:25:06 -05:00
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assert_eq!(ADD_A, ident((7, false)));
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assert_eq!(ADD_B, ident((0, true)));
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2018-09-01 08:05:55 -05:00
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2018-09-03 08:25:06 -05:00
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assert_eq!(SUB_A, ident((3, false)));
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assert_eq!(SUB_B, ident((u32::max_value(), true)));
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2018-09-01 08:05:55 -05:00
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2018-09-03 08:25:06 -05:00
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assert_eq!(MUL_A, ident((10, false)));
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assert_eq!(MUL_B, ident((1410065408, true)));
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2018-09-01 08:05:55 -05:00
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2018-09-03 08:25:06 -05:00
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assert_eq!(SHL_A, ident((0x10, false)));
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assert_eq!(SHL_B, ident((0x10, true)));
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2018-09-01 08:05:55 -05:00
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2018-09-03 08:25:06 -05:00
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assert_eq!(SHR_A, ident((0x1, false)));
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assert_eq!(SHR_B, ident((0x1, true)));
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2019-02-01 19:50:21 -06:00
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assert_eq!(NEG_A, ident((0, false)));
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assert_eq!(NEG_B, ident((1, true)));
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2018-09-01 08:05:55 -05:00
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}
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