init component

node_modules/fp-ts/lib/Unfoldable.d.ts

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+/**
+ * This class identifies data structures which can be _unfolded_, generalizing `unfold` on arrays.
+ *
+ * @since 2.0.0
+ */
+import { HKT, Kind, Kind2, Kind3, Kind4, URIS, URIS2, URIS3, URIS4 } from './HKT'
+import { Option } from './Option'
+/**
+ * @category model
+ * @since 2.0.0
+ */
+export interface Unfoldable<F> {
+  readonly URI: F
+  readonly unfold: <A, B>(b: B, f: (b: B) => Option<[A, B]>) => HKT<F, A>
+}
+/**
+ * @category model
+ * @since 2.0.0
+ */
+export interface Unfoldable1<F extends URIS> {
+  readonly URI: F
+  readonly unfold: <A, B>(b: B, f: (b: B) => Option<[A, B]>) => Kind<F, A>
+}
+/**
+ * @category model
+ * @since 2.0.0
+ */
+export interface Unfoldable2<F extends URIS2> {
+  readonly URI: F
+  readonly unfold: <E, A, B>(b: B, f: (b: B) => Option<[A, B]>) => Kind2<F, E, A>
+}
+/**
+ * @category model
+ * @since 2.0.0
+ */
+export interface Unfoldable2C<F extends URIS2, E> {
+  readonly URI: F
+  readonly _E: E
+  readonly unfold: <A, B>(b: B, f: (b: B) => Option<[A, B]>) => Kind2<F, E, A>
+}
+/**
+ * @category model
+ * @since 2.0.0
+ */
+export interface Unfoldable3<F extends URIS3> {
+  readonly URI: F
+  readonly unfold: <R, E, A, B>(b: B, f: (b: B) => Option<[A, B]>) => Kind3<F, R, E, A>
+}
+/**
+ * @category model
+ * @since 2.10.0
+ */
+export interface Unfoldable3C<F extends URIS3, E> {
+  readonly URI: F
+  readonly _E: E
+  readonly unfold: <R, A, B>(b: B, f: (b: B) => Option<[A, B]>) => Kind3<F, R, E, A>
+}
+/**
+ * @category model
+ * @since 2.0.0
+ */
+export interface Unfoldable4<F extends URIS4> {
+  readonly URI: F
+  readonly unfold: <S, R, E, A, B>(b: B, f: (b: B) => Option<[A, B]>) => Kind4<F, S, R, E, A>
+}