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node_modules/effect/dist/esm/internal/stm/tRef.js

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+import { dual } from "../../Function.js";
+import * as Option from "../../Option.js";
+import { pipeArguments } from "../../Pipeable.js";
+import * as core from "./core.js";
+import * as Entry from "./entry.js";
+import * as Versioned from "./versioned.js";
+/** @internal */
+const TRefSymbolKey = "effect/TRef";
+/** @internal */
+export const TRefTypeId = /*#__PURE__*/Symbol.for(TRefSymbolKey);
+export const tRefVariance = {
+  /* c8 ignore next */
+  _A: _ => _
+};
+/** @internal */
+export class TRefImpl {
+  [TRefTypeId] = tRefVariance;
+  /** @internal */
+  todos;
+  /** @internal */
+  versioned;
+  constructor(value) {
+    this.versioned = new Versioned.Versioned(value);
+    this.todos = new Map();
+  }
+  modify(f) {
+    return core.effect(journal => {
+      const entry = getOrMakeEntry(this, journal);
+      const [retValue, newValue] = f(Entry.unsafeGet(entry));
+      Entry.unsafeSet(entry, newValue);
+      return retValue;
+    });
+  }
+  pipe() {
+    return pipeArguments(this, arguments);
+  }
+}
+/** @internal */
+export const make = value => core.effect(journal => {
+  const ref = new TRefImpl(value);
+  journal.set(ref, Entry.make(ref, true));
+  return ref;
+});
+/** @internal */
+export const get = self => self.modify(a => [a, a]);
+/** @internal */
+export const set = /*#__PURE__*/dual(2, (self, value) => self.modify(() => [void 0, value]));
+/** @internal */
+export const getAndSet = /*#__PURE__*/dual(2, (self, value) => self.modify(a => [a, value]));
+/** @internal */
+export const getAndUpdate = /*#__PURE__*/dual(2, (self, f) => self.modify(a => [a, f(a)]));
+/** @internal */
+export const getAndUpdateSome = /*#__PURE__*/dual(2, (self, f) => self.modify(a => Option.match(f(a), {
+  onNone: () => [a, a],
+  onSome: b => [a, b]
+})));
+/** @internal */
+export const setAndGet = /*#__PURE__*/dual(2, (self, value) => self.modify(() => [value, value]));
+/** @internal */
+export const modify = /*#__PURE__*/dual(2, (self, f) => self.modify(f));
+/** @internal */
+export const modifySome = /*#__PURE__*/dual(3, (self, fallback, f) => self.modify(a => Option.match(f(a), {
+  onNone: () => [fallback, a],
+  onSome: b => b
+})));
+/** @internal */
+export const update = /*#__PURE__*/dual(2, (self, f) => self.modify(a => [void 0, f(a)]));
+/** @internal */
+export const updateAndGet = /*#__PURE__*/dual(2, (self, f) => self.modify(a => {
+  const b = f(a);
+  return [b, b];
+}));
+/** @internal */
+export const updateSome = /*#__PURE__*/dual(2, (self, f) => self.modify(a => [void 0, Option.match(f(a), {
+  onNone: () => a,
+  onSome: b => b
+})]));
+/** @internal */
+export const updateSomeAndGet = /*#__PURE__*/dual(2, (self, f) => self.modify(a => Option.match(f(a), {
+  onNone: () => [a, a],
+  onSome: b => [b, b]
+})));
+/** @internal */
+const getOrMakeEntry = (self, journal) => {
+  if (journal.has(self)) {
+    return journal.get(self);
+  }
+  const entry = Entry.make(self, false);
+  journal.set(self, entry);
+  return entry;
+};
+/** @internal */
+export const unsafeGet = /*#__PURE__*/dual(2, (self, journal) => Entry.unsafeGet(getOrMakeEntry(self, journal)));
+/** @internal */
+export const unsafeSet = /*#__PURE__*/dual(3, (self, value, journal) => {
+  const entry = getOrMakeEntry(self, journal);
+  Entry.unsafeSet(entry, value);
+  return undefined;
+});
+//# sourceMappingURL=tRef.js.map