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import core.stdc.stdio;
/*********************************************************/
template Foo(T)
{
static if (is(T : int))
alias T t1;
static if (T.sizeof == 4)
alias T t2;
static if (is(T U : int))
alias U t3;
static if (is(T* V : V*))
alias V t4;
static if (is(T W))
alias W t5;
else
alias char t5;
static if (is(T* X : X*))
{
}
}
void test1()
{
Foo!(int).t1 x1;
assert(typeid(typeof(x1)) == typeid(int));
Foo!(int).t2 x2;
assert(typeid(typeof(x2)) == typeid(int));
Foo!(int).t3 x3;
assert(typeid(typeof(x3)) == typeid(int));
Foo!(int*).t4 x4;
assert(typeid(typeof(x4)) == typeid(int*));
Foo!(int).t5 x5;
assert(typeid(typeof(x5)) == typeid(int));
Foo!(int).X x6;
assert(typeid(typeof(x6)) == typeid(int));
}
/*********************************************************/
void test2()
{
alias int T;
static if (is(T : int))
alias T t1;
static if (T.sizeof == 4)
alias T t2;
static if (is(T U : int))
alias U t3;
static if (is(T* V : V*))
alias V t4;
static if (is(T W))
alias W t5;
else
alias char t5;
static if (is(T* X : X*))
{
}
t1 x1;
assert(typeid(typeof(x1)) == typeid(int));
t2 x2;
assert(typeid(typeof(x2)) == typeid(int));
t3 x3;
assert(typeid(typeof(x3)) == typeid(int));
t4 x4;
assert(typeid(typeof(x4)) == typeid(int));
t5 x5;
assert(typeid(typeof(x5)) == typeid(int));
X x6;
assert(typeid(typeof(x6)) == typeid(int));
}
/*********************************************************/
void test3()
{
static if (is(short : int))
{ printf("1\n");
}
else
assert(0);
static if (is(short == int))
assert(0);
static if (is(int == int))
{ printf("3\n");
}
else
assert(0);
}
/*********************************************************/
template TValue(int i:1)
{
pragma(msg,"last instantiation!!!");
const int TValue = 1;
}
template TValue(int i)
{
pragma(msg,"instantiating...");
const int TValue = i * TValue!(i-1);
}
void test4()
{
assert(TValue!(3) == 6);
}
/*********************************************************/
template Reverse(string s: "") {
const char[] Reverse = "";
}
template Reverse(string s) {
const char[] Reverse = Reverse!(s[1..$]) ~ s[0];
}
void test5()
{
assert(Reverse!("Recursive string template") == "etalpmet gnirts evisruceR");
}
/*********************************************************/
template foo6(alias V)
{
int foo6()
{
return V;
}
}
class bar6(alias V)
{
int abc()
{
return V;
}
}
void test6()
{
int j = 3;
int k = 4;
int i = foo6!(j)();
i += foo6!(j)();
i += foo6!(k)();
bar6!(j) b = new bar6!(j);
i -= b.abc();
assert(i == 7);
}
/*********************************************************/
template Bind7(alias dg)
{
int Bind7()
{
dg('c');
return 0;
}
}
void test7()
{
char[] v;
void foo(char c) { v ~= c; }
alias Bind7!(foo) intv;
intv();
assert(v[0] == 'c');
}
/*********************************************************/
template sum8(real x)
{
static if (x <= 1.0L){
const real sum8 = x;
}else{
const real sum8 = x + sum8!(x - 1.0L);
}
}
void test8()
{
real x = sum8!(3.0L);
if(x != 6.0L){
assert(0);
}
}
/*********************************************************/
int main()
{
test1();
test2();
test3();
test4();
test5();
test6();
test7();
test8();
printf("Success\n");
return 0;
}
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