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/**
* @since 2.0.0
*/
import * as Equal from "../Equal.js";
import * as Hash from "../Hash.js";
import { format, NodeInspectSymbol, toJSON } from "../Inspectable.js";
import { hasProperty } from "../Predicate.js";
import { EffectPrototype } from "./effectable.js";
const TypeId = /*#__PURE__*/Symbol.for("effect/Option");
const CommonProto = {
...EffectPrototype,
[TypeId]: {
_A: _ => _
},
[NodeInspectSymbol]() {
return this.toJSON();
},
toString() {
return format(this.toJSON());
}
};
const SomeProto = /*#__PURE__*/Object.assign(/*#__PURE__*/Object.create(CommonProto), {
_tag: "Some",
_op: "Some",
[Equal.symbol](that) {
return isOption(that) && isSome(that) && Equal.equals(this.value, that.value);
},
[Hash.symbol]() {
return Hash.cached(this, Hash.combine(Hash.hash(this._tag))(Hash.hash(this.value)));
},
toJSON() {
return {
_id: "Option",
_tag: this._tag,
value: toJSON(this.value)
};
}
});
const NoneHash = /*#__PURE__*/Hash.hash("None");
const NoneProto = /*#__PURE__*/Object.assign(/*#__PURE__*/Object.create(CommonProto), {
_tag: "None",
_op: "None",
[Equal.symbol](that) {
return isOption(that) && isNone(that);
},
[Hash.symbol]() {
return NoneHash;
},
toJSON() {
return {
_id: "Option",
_tag: this._tag
};
}
});
/** @internal */
export const isOption = input => hasProperty(input, TypeId);
/** @internal */
export const isNone = fa => fa._tag === "None";
/** @internal */
export const isSome = fa => fa._tag === "Some";
/** @internal */
export const none = /*#__PURE__*/Object.create(NoneProto);
/** @internal */
export const some = value => {
const a = Object.create(SomeProto);
a.value = value;
return a;
};
//# sourceMappingURL=option.js.map