The `=` symbol

Property definitions

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

src/parser/parser_nodes.nit:1737,2--1738,42

	redef fun n_assign=(node)
	do
		_n_assign = node
		node.parent = self
	end

src/parser/parser_prod.nit:2207,2--2211,4