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100 lines
2.7 KiB
D
100 lines
2.7 KiB
D
/* REQUIRED_ARGS: -verrors=0
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TEST_OUTPUT:
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---
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fail_compilation/diag9679.d(93): Deprecation: `auto` and `ref` storage classes should be adjacent
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fail_compilation/diag9679.d(93): Deprecation: `auto` and `ref` storage classes should be adjacent
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fail_compilation/diag9679.d(94): Deprecation: `auto ref` return type must have `auto` and `ref` adjacent
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fail_compilation/diag9679.d(100): Deprecation: `auto ref` return type must have `auto` and `ref` adjacent
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fail_compilation/diag9679.d(16): Error: rvalue `1` cannot be assigned to `ref n`
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fail_compilation/diag9679.d(17): Error: variable `diag9679.main.n` - storage class `auto` has no effect if type is not inferred, did you mean `scope`?
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fail_compilation/diag9679.d(18): Error: variable `diag9679.main.S.a` - field declarations cannot be `ref`
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fail_compilation/diag9679.d(25): Error: returning `r` escapes a reference to local variable `i`
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---
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*/
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void main()
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{
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if (ref n = 1) {}
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if (auto int n = 1) {}
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struct S { ref int a; }
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}
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ref int test2()
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{
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int i;
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ref r = i;
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return r;
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}
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ref int test3()
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{
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extern int i;
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ref r = i;
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return r;
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}
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struct S { int a; }
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void test4()
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{
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S s;
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ref int r1 = s.a;
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r1 = 3;
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__gshared S t2;
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ref int r2 = t2.a;
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static S t3;
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ref int r3 = t3.a;
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extern S t4;
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ref int r4 = t4.a;
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}
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/* TEST_OUTPUT:
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---
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fail_compilation/diag9679.d(66): Error: variable `diag9679.test5.r5` - initializer is required for `ref` variable
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fail_compilation/diag9679.d(66): Error: rvalue `0` cannot be assigned to `ref r5`
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fail_compilation/diag9679.d(71): Error: rvalue `4` cannot be assigned to `ref x`
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fail_compilation/diag9679.d(72): Error: returning `x` escapes a reference to local variable `x`
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fail_compilation/diag9679.d(77): Error: type `immutable(int)` cannot be assigned to `ref int x`
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fail_compilation/diag9679.d(84): Error: returning `x` escapes a reference to local variable `x`
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fail_compilation/diag9679.d(89): Error: variable `diag9679.test9.x` - void initializer not allowed for `ref` variable
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fail_compilation/diag9679.d(90): Error: variable `diag9679.test9.y` - void initializer not allowed for `ref` variable
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fail_compilation/diag9679.d(96): Error: variable `x` - `auto ref` variable must have `auto` and `ref` adjacent
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---
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*/
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void test5()
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{
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ref int r5;
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}
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ref int test6()
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{
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ref int x = 4;
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return x;
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}
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void test7(immutable int y)
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{
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ref int x = y;
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x = 5;
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}
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ref int test8()
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{
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auto ref int x = 3;
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return x;
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}
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void test9()
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{
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ref int x = void;
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auto ref int y = void;
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}
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void testKeywordOrder()(ref auto int x, auto const ref float y) {};
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ref auto int testKeywordOrder()
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{
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ref auto int x = 3;
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return 3;
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}
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auto { ref int autoFromScope() => 3; }
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