-- main.mcl --
import "fmt"

# note that the class can have two separate types for $b
include c1("t1", "hello") # len is 5
include c1("t2", [13, 42, 0, -37,]) # len is 4
class c1($a, $b) {
	test "${a}" {
		anotherstr => fmt.printf("len is: %d", len($b)),
	}
}
-- OUTPUT --
Edge: FuncValue -> call # fn
Edge: FuncValue -> call # fn
Edge: FuncValue -> call # fn
Edge: FuncValue -> call # fn
Edge: const -> composite # 0
Edge: const -> composite # 1
Edge: const -> composite # 2
Edge: const -> composite # 3
Vertex: FuncValue
Vertex: FuncValue
Vertex: FuncValue
Vertex: FuncValue
Vertex: call
Vertex: call
Vertex: call
Vertex: call
Vertex: composite
Vertex: const
Vertex: const
Vertex: const
Vertex: const
Vertex: const
Vertex: const
Vertex: const
Vertex: const
Vertex: const