Property definitions

nitc $ AAsNotnullExpr :: defaultinit
# A as-not-null cast. eg `x.as(not null)`
class AAsNotnullExpr
	super AAsCastForm

	# The `not` keyword
	var n_kwnot: TKwnot is writable, noinit

	# The `null` keyword
	var n_kwnull: TKwnull is writable, noinit
end
src/parser/parser_nodes.nit:2757,1--2766,3