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145
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1 // { dg-do run }
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2
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3 // Check type dependent function parms.
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4
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5 #include "../coro.h"
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6
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7 // boiler-plate for tests of codegen
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8 // there is a promise ctor that takes a single int.
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9 #include "../coro1-ret-int-yield-int.h"
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10
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11 template <typename T, typename U, typename V>
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12 coro1
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13 f (T x, U y, V z) noexcept
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14 {
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15 PRINT ("coro1: about to return");
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16 T xi = (T) y;
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17 T yi = (T) z;
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18 T zi = x;
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19 co_return 3 + xi + yi + zi;
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20 }
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21
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22 int main ()
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23 {
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24 PRINT ("main: create coro1");
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25 struct coro1 x = f<int, float, double>(2, 18.0F, 19.0);
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26
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27 /* We should be using the default promise ctor, which sets the value
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28 to -1. */
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29 int y = x.handle.promise().get_value();
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30 if ( y != -1 )
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31 {
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32 PRINT ("main: wrong promise init.");
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33 abort ();
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34 }
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35
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36 PRINT ("main: got coro1 - resuming");
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37 if (x.handle.done())
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38 abort();
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39
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40 x.handle.resume();
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41 PRINT ("main: after resume (initial suspend)");
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42
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43 /* Now we should have the co_returned value. */
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44 y = x.handle.promise().get_value();
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45 if ( y != 42 )
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46 {
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47 PRINT ("main: wrong answer.");
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48 abort ();
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49 }
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50
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51 if (!x.handle.done())
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52 {
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53 PRINT ("main: apparently not done...");
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54 abort ();
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55 }
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56 PRINT ("main: returning");
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57 return 0;
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58 }
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