-- main.mcl --
import "fmt"

# we should only see one copy of $s1, $s2 and $fn
$s1 = "hello"
$fn = func() {
	$s1 + " " + $s2
}
$s2 = "world"

test "greeting1" {
	anotherstr => $fn(),
}
test "greeting2" {
	anotherstr => $fn(),
}
test "greeting3" {
	anotherstr => $fn(),
}
-- OUTPUT --
Edge: call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) -> func() { call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) } # body
Edge: call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) -> func() { call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) } # body
Edge: call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) -> func() { call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) } # body
Edge: call:_operator(str("+"), var(s1), str(" ")) -> call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) # a
Edge: call:_operator(str("+"), var(s1), str(" ")) -> call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) # a
Edge: call:_operator(str("+"), var(s1), str(" ")) -> call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) # a
Edge: func() { call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) } -> call:fn() # call:fn
Edge: func() { call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) } -> call:fn() # call:fn
Edge: func() { call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) } -> call:fn() # call:fn
Edge: str(" ") -> call:_operator(str("+"), var(s1), str(" ")) # b
Edge: str(" ") -> call:_operator(str("+"), var(s1), str(" ")) # b
Edge: str(" ") -> call:_operator(str("+"), var(s1), str(" ")) # b
Edge: str("+") -> call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) # op
Edge: str("+") -> call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) # op
Edge: str("+") -> call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) # op
Edge: str("+") -> call:_operator(str("+"), var(s1), str(" ")) # op
Edge: str("+") -> call:_operator(str("+"), var(s1), str(" ")) # op
Edge: str("+") -> call:_operator(str("+"), var(s1), str(" ")) # op
Edge: str("hello") -> var(s1) # var:s1
Edge: str("hello") -> var(s1) # var:s1
Edge: str("hello") -> var(s1) # var:s1
Edge: str("world") -> var(s2) # var:s2
Edge: str("world") -> var(s2) # var:s2
Edge: str("world") -> var(s2) # var:s2
Edge: var(s1) -> call:_operator(str("+"), var(s1), str(" ")) # a
Edge: var(s1) -> call:_operator(str("+"), var(s1), str(" ")) # a
Edge: var(s1) -> call:_operator(str("+"), var(s1), str(" ")) # a
Edge: var(s2) -> call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) # b
Edge: var(s2) -> call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) # b
Edge: var(s2) -> call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) # b
Vertex: call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2))
Vertex: call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2))
Vertex: call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2))
Vertex: call:_operator(str("+"), var(s1), str(" "))
Vertex: call:_operator(str("+"), var(s1), str(" "))
Vertex: call:_operator(str("+"), var(s1), str(" "))
Vertex: call:fn()
Vertex: call:fn()
Vertex: call:fn()
Vertex: func() { call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) }
Vertex: func() { call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) }
Vertex: func() { call:_operator(str("+"), call:_operator(str("+"), var(s1), str(" ")), var(s2)) }
Vertex: str(" ")
Vertex: str("+")
Vertex: str("+")
Vertex: str("greeting1")
Vertex: str("greeting2")
Vertex: str("greeting3")
Vertex: str("hello")
Vertex: str("world")
Vertex: var(s1)
Vertex: var(s1)
Vertex: var(s1)
Vertex: var(s2)
Vertex: var(s2)
Vertex: var(s2)