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isEmpty第一段示例代码,不是应该在吐出第一条数据的时候吐出false吗?书上写的true
const source$ = interval(10000);
const isEmpty$ = source$.pipe( isEmpty() ); isEmpty$ .subscribe( console.log, () => { console.log('error'); }, () => { console.log('complete'); } );
// 10秒后 // false // complete
The text was updated successfully, but these errors were encountered:
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isEmpty第一段示例代码,不是应该在吐出第一条数据的时候吐出false吗?书上写的true
const source$ = interval(10000);
const isEmpty$ = source$.pipe(
isEmpty()
);
isEmpty$
.subscribe(
console.log,
() => {
console.log('error');
},
() => {
console.log('complete');
}
);
// 10秒后
// false
// complete
The text was updated successfully, but these errors were encountered: