law char_cmp_refl
import bend-mathlib@0.8.1.0/string.bend as Stringimport Base
159# Comparing a character with itself gives EQ and hands both back.
160law char_cmp_refl:
161 for c: Char
162 {Char.cmp(c, c) == ((c, c), EQ{}) : (Char & Char) & Cmp}