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Add interface to UnionFind.
author Ziv Scully <ziv@mit.edu>
date Mon, 24 Nov 2014 20:41:24 -0500
parents 287604b4a08d
children
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type r1 = {A : string, B : string}
type r2 = {B : string, A : string}

val show_r1 : show r1 = mkShow (fn r => r.A ^ "+" ^ r.B)
val show_r2 : show r2 = _