57 lines
862 B
Plaintext
57 lines
862 B
Plaintext
/* ===== 模块7：高级特性 =====
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* test14_assignment — 复合赋值
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* 难度：2/5
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* 验证点：+= -= *= /= %= &= |= ^= <<= >>=
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*/
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fn main() i32 {
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var x: i32 = 10;
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/* += */
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x += 5;
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if x != 15 { ret 1; }
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/* -= */
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x -= 3;
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if x != 12 { ret 2; }
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/* *= */
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x *= 2;
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if x != 24 { ret 3; }
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/* /= */
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x /= 4;
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if x != 6 { ret 4; }
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/* %= */
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var y: i32 = 17;
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y %= 5;
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if y != 2 { ret 5; }
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/* &= */
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var a: i32 = 0xFF;
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a &= 0x0F;
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if a != 0x0F { ret 6; }
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/* |= */
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var b: i32 = 0xF0;
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b |= 0x0F;
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if b != 0xFF { ret 7; }
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/* ^= */
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var c: i32 = 0xFF;
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c ^= 0xF0;
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if c != 0x0F { ret 8; }
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/* <<= */
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var d: i32 = 1;
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d <<= 4;
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if d != 16 { ret 9; }
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/* >>= */
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var e: i32 = 64;
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e >>= 3;
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if e != 8 { ret 10; }
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ret 0;
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}
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