Property definitions

nitc $ AYieldExpr :: defaultinit
# A `yield` statement. eg `yield x`
class AYieldExpr
	super AExpr

	# The `yield` keyword
	var n_kwyield: nullable TKwyield = null is writable

	# The return value, if any
	var n_expr: nullable AExpr = null is writable
end
src/parser/parser_nodes.nit:1887,1--1896,3