Property definitions

nitc $ AAssignMethid :: defaultinit
# A setter method name with a simple identifier (with a `=`)
class AAssignMethid
	super AMethid

	# The base identifier
	var n_id: TId is writable, noinit

	# The `=` symbol
	var n_assign: TAssign is writable, noinit
end
src/parser/parser_nodes.nit:1730,1--1739,3