-- main.mcl --
import "datetime"
import "iter"
import "golang"

$lambda1 = func($x) {
	$x + "!"
}
$lambda2 = func($x) {
	$x + "?"
}

$lambda = if 10 > 0 { # must be a const, otherwise this is a dynamic graph
	$lambda1
} else {
	$lambda2
}

$fn = func($x) { # notable because concrete type is fn(t1) t2, where t1 != t2
	len($x)
}

$in1 = ["a", "bb", "ccc", "dddd", "eeeee",]

$out1 = iter.map($in1, $fn)

$s = golang.template("out1: {{ . }}", $out1)

test [$lambda($s),] {}
-- OUTPUT --
Edge: FuncValue -> call # fn
Edge: FuncValue -> call # fn
Edge: _operator -> composite: []str # 0
Edge: call -> callSubgraphOutput # dummy
Edge: call -> callSubgraphOutput # dummy
Edge: callSubgraphOutput -> _operator # a
Edge: const: str("!") -> _operator # b
Edge: const: str("+") -> _operator # op
Edge: const: str("a") -> composite: []str # 0
Edge: const: str("bb") -> composite: []str # 1
Edge: const: str("ccc") -> composite: []str # 2
Edge: const: str("dddd") -> composite: []str # 3
Edge: const: str("eeeee") -> composite: []str # 4
Vertex: FuncValue
Vertex: FuncValue
Vertex: FuncValue
Vertex: _operator
Vertex: call
Vertex: call
Vertex: callSubgraphOutput
Vertex: callSubgraphOutput
Vertex: composite: []str
Vertex: composite: []str
Vertex: const: str("!")
Vertex: const: str("+")
Vertex: const: str("a")
Vertex: const: str("bb")
Vertex: const: str("ccc")
Vertex: const: str("dddd")
Vertex: const: str("eeeee")
Vertex: const: str("out1: {{ . }}")