Presumption attending devise to spouse.

Where the testator’s spouse is named as a devisee in a will, it shall be presumed, unless the intent is clear and explicit to the contrary, and except as provided in section 633.272 , that such devise is in lieu of the intestate share and homestead rights of the surviving spouse. [C97, §3270; C24, 27, 31, 35, 39, § 11847; C46, 50, 54, 58, 62, §633.2; C66, 71, 73, 75, 77, 79, 81, §633.268 ]