id: 1
unit: var get_comments = function()
file: index.js
start line: 29
end line: 38
size: 10 LOC
McCabe index: 2
number of parameters: 0

id: 2
unit: comments: get_comments()
file: index.js
start line: 57
end line: 63
size: 6 LOC
McCabe index: 2
number of parameters: 0

id: 3
unit: var add_comment = function()
file: index.js
start line: 23
end line: 27
size: 5 LOC
McCabe index: 1
number of parameters: 1