init init_aassertexpr (
		n_kwassert: nullable TKwassert,
		n_id: nullable TId,
		n_expr: nullable AExpr,
		n_kwelse: nullable TKwelse,
		n_else: nullable AExpr
	)
	do
		_n_kwassert = n_kwassert.as(not null)
		n_kwassert.parent = self
		_n_id = n_id
		if n_id != null then n_id.parent = self
		_n_expr = n_expr.as(not null)
		n_expr.parent = self
		_n_kwelse = n_kwelse
		if n_kwelse != null then n_kwelse.parent = self
		_n_else = n_else
		if n_else != null then n_else.parent = self
	end