}

// Test that we can return a value from Go->C->Go if the Go code
// causes a stack copy.
func testReturnAfterGrowFromGo(t *testing.T) {
	// Use a new goroutine so that we get a small stack.
	c := make(chan int)
	go func() {
		c <- int(C.returnAfterGrowFromGo())
	}()
	if got, want := <-c, 129*128/2; got != want {
		t.Errorf("got %d want %d", got, want)
	}
}

//export goReturnVal

}

// empty a channel
for range ch {}
</pre>


<h3 id="Go_statements">Go statements</h3>

<p>
A "go" statement starts the execution of a function call
as an independent concurrent thread of control, or <i>goroutine</i>,
within the same address space.
</p>

<pre class="ebnf">
GoStmt = "go" Expression .
</pre>

<p>

pkg debug/plan9obj, type Sym struct, Name string
pkg debug/plan9obj, type Sym struct, Type int32
pkg debug/plan9obj, type Sym struct, Value uint64
pkg encoding/asn1, method (ObjectIdentifier) String() string
pkg go/build, type Package struct, MFiles []string
pkg math/big, method (*Int) MarshalText() ([]uint8, error)
pkg math/big, method (*Int) UnmarshalText([]uint8) error
pkg math/big, method (*Rat) MarshalText() ([]uint8, error)