result: checkExpr funcPtr => closure

cl/_testrt/result/in.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	"github.com/goplus/llgo/internal/runtime/c"
+)
+
+func main() {
+	fn := func() func(int, int) int {
+		return func(x, y int) int {
+			return x + y
+		}
+	}()
+	c.Printf(c.Str("%d\n"), fn(100, 200))
+	c.Printf(c.Str("%d\n"), add()(100, 200))
+	fn, n := add2()
+	c.Printf(c.Str("%d %d\n"), add()(100, 200), n)
+}
+
+func add() func(int, int) int {
+	return func(x, y int) int {
+		return x + y
+	}
+}
+
+func add2() (func(int, int) int, int) {
+	return func(x, y int) int {
+		return x + y
+	}, 1
+}