tree 4a1ff87c80b0ba7e69d7a6701f84d74b703e21f6
parent b860b44229dbde49e8a1ed34257b1a70bb2401ee
author Behdad Esfahbod <behdad@behdad.org> 1635826655 -0600
committer Behdad Esfahbod <behdad@behdad.org> 1635826655 -0600

[set] Add successful check in swap()