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// { dg-do run }
// lambda with parm and local state
#include "../coro.h"
// boiler-plate for tests of codegen
#include "../coro1-ret-int-yield-int.h"
int main ()
{
auto f = [](int start) -> coro1
{
int value = start;
PRINT ("f: about to yield start");
co_yield start;
value -= 31;
PRINT ("f: about to yield (value-31)");
co_yield value;
value += 6163;
PRINT ("f: about to return (value+6163)");
co_return value;
};
PRINT ("main: create coro1");
coro1 x = f (42);
PRINT ("main: got coro1 - resuming (1)");
if (x.handle.done())
abort();
x.handle.resume();
PRINT ("main: after resume (1)");
int y = x.handle.promise().get_value();
if ( y != 42 )
abort ();
PRINT ("main: apparently got 42 - resuming (2)");
if (x.handle.done())
abort();
x.handle.resume();
PRINT ("main: after resume (2)");
y = x.handle.promise().get_value();
if ( y != 11 )
abort ();
PRINT ("main: apparently got 11 - resuming (3)");
if (x.handle.done())
{
PRINT ("main: done?");
abort();
}
x.handle.resume();
PRINT ("main: after resume (2) checking return");
y = x.handle.promise().get_value();
if ( y != 6174 )
abort ();
PRINT ("main: apparently got 6174");
if (!x.handle.done())
{
PRINT ("main: apparently not done...");
abort ();
}
PRINT ("main: returning");
return 0;
}
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