init component

node_modules/fp-ts/es6/JoinSemilattice.d.ts

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+/**
+ * A join-semilattice (or upper semilattice) is a semilattice whose operation is called `join`, and which can be thought
+ * of as a least upper bound.
+ *
+ * A `JoinSemilattice` must satisfy the following laws:
+ *
+ * - Associativity: `a ∨ (b ∨ c) <-> (a ∨ b) ∨ c`
+ * - Commutativity: `a ∨ b <-> b ∨ a`
+ * - Idempotency:   `a ∨ a <-> a`
+ *
+ * @since 2.0.0
+ */
+/**
+ * @category model
+ * @since 2.0.0
+ */
+export interface JoinSemilattice<A> {
+  readonly join: (x: A, y: A) => A
+}