The last AST token that starts the line of self

May be null is the line contains only detached tokens (only comment)

Computed by parentize_tokens

ENSURE result.is_ending_line

Property definitions

nitc :: astutil $ Token :: last_token_in_line
	# The last AST token that starts the line of `self`
	# May be null is the line contains only detached tokens (only comment)
	#
	# Computed by `parentize_tokens`
	#
	# ENSURE `result.is_ending_line`
	fun last_token_in_line: nullable Token
	do
		return last_real_token_in_line.last_ast_token
	end
src/astutil.nit:175,2--184,4