id: 1
unit: function Playground()
file: src/Playground.js
start line: 11
end line: 59
size: 42 LOC
McCabe index: 1
number of parameters: 0

id: 2
unit: function CodeLine()
file: src/Playground.js
start line: 61
end line: 72
size: 12 LOC
McCabe index: 1
number of parameters: 3

id: 3
unit: function App()
file: src/App.js
start line: 5
end line: 14
size: 10 LOC
McCabe index: 1
number of parameters: 0