我在
Swift 4中使用Rx
Swift跟随代码
worthReacting.flatMap{ (userSearch) in
translator.getTranslation(ofWord: userSearch)
}.subscribe(
onSuccess: {(dataModel) in
state.value = .translation(word: dataModel.deFinition,translations: dataModel.translations)
},onError: {(error) in
state.value = .networkError
},onCompleted: {
state.value = .unkNownWord
}).disposed(by: disposeBag)
worthReacting的类型为Observable< String>
translator.getTranslation返回Maybe< DataModel>
我遇到了构建错误
Extra argument ‘onError’ in call
也许平坦化为Observable会产生Observable. Observable不能发出onSuccess事件,而是发出onNext.以下代码将起作用：
worthReacting.flatMap{ (userSearch) in
translator.getTranslation(ofWord: userSearch)
}.subscribe(
onNext: {(dataModel) in
self.state.value = .translation(word: dataModel.deFinition,onError: {(error) in
self.state.value = .networkError
},onCompleted: {
self.state.value = .unkNownWord
}).disposed(by: disposeBag)
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