5 return x(<bold>1</bold>) (in foo((Int) -> Int))
9 	<bold>val y</bold> = foo { it } (in test())
9 		val y = <bold>foo { it }</bold> (in test())
3 			<bold>fun foo(f: (Int) -> Int): Int</bold> {
5 				return <bold>x(1)</bold> (in foo((Int) -> Int))
5 					[LAMBDA IN] return <bold>x</bold>(1) (in foo((Int) -> Int))
4 						[LAMBDA IN] <bold>val x</bold> = f (in foo((Int) -> Int))
4 							[LAMBDA IN] val x = <bold>f</bold> (in foo((Int) -> Int))
3 								[LAMBDA IN] fun foo(<bold>f: (Int) -> Int</bold>): Int { (in foo((Int) -> Int))
9 									[LAMBDA IN] val y = foo <bold>{ it }</bold> (in test())
9 										val y = foo <bold>{ it }</bold> (in test())
9 											val y = foo { <bold>it</bold> } (in test())
9 												[LAMBDA CALLS ARGUMENT #0] val y = foo <bold>{ it }</bold> (in test())
3 													[LAMBDA CALLS ARGUMENT #0] fun foo(<bold>f: (Int) -> Int</bold>): Int { (in foo((Int) -> Int))
4 														[LAMBDA CALLS ARGUMENT #0] val x = <bold>f</bold> (in foo((Int) -> Int))
4 															[LAMBDA CALLS ARGUMENT #0] <bold>val x</bold> = f (in foo((Int) -> Int))
5 																return x(<bold>1</bold>) (in foo((Int) -> Int))