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1188adc84f
* Remove global `@system:` annotations from C headers * Implement DIP1035 - system variables
60 lines
1.8 KiB
D
60 lines
1.8 KiB
D
/*
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REQUIRED_ARGS: -preview=systemVariables
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TEST_OUTPUT:
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---
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fail_compilation/systemvariables_struct.d(31): Error: cannot access `@system` field `S.syst` in `@safe` code
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fail_compilation/systemvariables_struct.d(32): Error: cannot access `@system` field `S.syst` in `@safe` code
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fail_compilation/systemvariables_struct.d(33): Error: cannot access `@system` field `S.syst` in `@safe` code
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fail_compilation/systemvariables_struct.d(36): Error: cannot access `@system` field `S.syst` in `@safe` code
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fail_compilation/systemvariables_struct.d(37): Error: cannot access `@system` field `S.syst` in `@safe` code
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fail_compilation/systemvariables_struct.d(38): Error: cannot access `@system` field `S.syst` in `@safe` code
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fail_compilation/systemvariables_struct.d(54): Error: cannot access `@system` field `S2.syst` in `@safe` code
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fail_compilation/systemvariables_struct.d(55): Error: cannot access `@system` field `S2.syst` in `@safe` code
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fail_compilation/systemvariables_struct.d(56): Error: cannot access `@system` field `S.syst` in `@safe` code
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fail_compilation/systemvariables_struct.d(57): Error: cannot access `@system` field `S.syst` in `@safe` code
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---
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*/
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// http://dlang.org/dips/1035
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struct S
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{
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@system S* syst;
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@safe S* safe;
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}
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void aggregate() @safe
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{
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S s0;
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// write access
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s0.syst = null;
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__traits(getMember, s0, "syst") = null;
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s0.tupleof[0] = null;
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// read access
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auto a0 = s0.syst;
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auto a1 = __traits(getMember, s0, "syst");
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auto a2 = s0.tupleof[0];
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S s1;
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s1 = s0; // allowed
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}
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struct S2
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{
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@system S syst;
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@safe S safe;
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}
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@safe S2 gs2;
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void aggregate2() @safe
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{
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gs2.syst.syst = null;
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gs2.syst.safe = null;
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gs2.safe.syst = null;
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gs2.safe.syst.safe = null;
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gs2.safe.safe = null; // allowed
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}
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