### Equal[A] ```scala def equal(a1: A, a2: A): Boolean (1 === 2) assert_=== false (2 =/= 1) assert_=== true ``` ### Order[A] ```scala def order(x: A, y: A): Ordering 1.0 ?|? 2.0 assert_=== Ordering.LT 1.0 lt 2.0 assert_=== true 1.0 gt 2.0 assert_=== false 1.0 lte 2.0 assert_=== true 1.0 gte 2.0 assert_=== false 1.0 max 2.0 assert_=== 2.0 1.0 min 2.0 assert_=== 1.0 ``` ### Show[A] ```scala def show
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