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* Copyright (c) 2022-2024 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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export function className(object?: Object): string {
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return object ? (Type.of(object) as ClassType).getName() : "null"
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export function isFunction(object?: Object): boolean {
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return Type.of(object) instanceof FunctionType
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// TODO: This is an very ad hoc function,
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// but I could not find in ArkTS stdlib enough functionality
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// for a more generic way.
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export function functionOverValue<Value>(value: Value|(()=>Value)): boolean {
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return Type.of(value) instanceof FunctionType
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// Somehow es2panda only allows === on reference types.
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export function refEqual<Value>(a: Value, b: Value): boolean {
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if (Type.of(a).isReference() && Type.of(b).isReference()) return a === b
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export function isNotPrimitive(value: Object): boolean {
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return !Type.of(value).isPrimitive()