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57e36ee22d
Fix Issue 24206 - Can't alias a function type that returns a type with a TypeSuffix Add isTypeSuffix() function. This also means a function type with a TypeCtor is now deprecated, just like a function pointer type with a TypeCtor. This gives a better error message and simplifies the code.
44 lines
1.1 KiB
D
44 lines
1.1 KiB
D
// function type aliases
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module issue16020;
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alias F1 = const(int)(); const(int) f1(){return 42;}
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static assert (is(F1 == typeof(f1)));
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alias F2 = float(float); float f2(float p){return p;}
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static assert (is(F2 == typeof(f2)));
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alias F3 = void(); void f3(){}
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static assert (is(F3 == typeof(f3)));
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alias void F41() @safe;
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alias F42 = void() @safe;
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alias F43 = @safe void();
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static assert (is(F41 == F42));
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static assert (is(F43 == F42));
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alias void F51() @system;
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alias F52 = void() @safe;
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static assert (!is(F51 == F52));
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alias F61 = int() const shared;
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alias int F62() const shared ;
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alias F63 = const shared int();
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static assert (is(F61 == F62));
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static assert (is(F63 == F62));
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alias F71 = int() immutable inout;
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alias int F72() immutable inout;
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alias F73 = immutable inout int();
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static assert (is(F71 == F72));
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static assert (is(F73 == F72));
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alias FunTemplate(T) = void(T t);
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alias Specialized = FunTemplate!int;
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alias Compared = void(int);
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static assert(is(Specialized == Compared));
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// type suffixes
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alias FT = const(int)*();
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static assert(is(FT* == const(int)* function()));
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alias FT2 = int*[2]() pure;
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static assert(is(FT2* == int*[2] function() pure));
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