'module'      Keyword.Namespace
' '           Text.Whitespace
'hello.World' Name.Namespace
'\n'          Text

'\n'          Text

'function'    Keyword.Declaration
' '           Text.Whitespace
'main'        Name.Function
' '           Text.Whitespace
'='           Operator
' '           Text.Whitespace
'|'           Punctuation
'args'        Name
'|'           Punctuation
' '           Text.Whitespace
'{'           Punctuation
'\n'          Text

'  '          Text.Whitespace
'println'     Name.Builtin
'('           Punctuation
'"'           Literal.String
'Hello world!' Literal.String
'"'           Literal.String.Double
')'           Punctuation
'\n'          Text

'}'           Punctuation
'\n'          Text