Property definitions

nitc $ AAssignFormExpr :: defaultinit
# Whatever is a simple assignment. eg `= something`
abstract class AAssignFormExpr
	super AExpr

	# The `=` symbol
	var n_assign: TAssign is writable, noinit

	# The right-value to assign.
	var n_value: AExpr is writable, noinit
end
src/parser/parser_nodes.nit:2106,1--2115,3