输入"Observable< {}>"不可分配给类型'Observable< boolean> |布尔'
问题描述：
我正在尝试遵循本教程 ，但出现错误.
Im trying to follow this tutorial, but I'm getting errors.
- pathMatch:已满".我尝试将" @ angular/router "更改为" 3.0.0-beta.2 "，仍然是相同的问题.
- pathMatch: 'full'. I tried changing "@angular/router" to "3.0.0-beta.2", still the same issue.
我的依赖项:
"dependencies": {
"@angular/common": "2.0.0-rc.3",
"@angular/compiler": "2.0.0-rc.3",
"@angular/core": "2.0.0-rc.3",
"@angular/http": "2.0.0-rc.3",
"@angular/platform-browser": "2.0.0-rc.3",
"@angular/platform-browser-dynamic": "2.0.0-rc.3",
"@angular/platform-server": "2.0.0-rc.3",
"@angular/router": "3.0.0-beta.2",
"@angular/router-deprecated": "2.0.0-rc.2",
"nativescript-angular": "0.2.0",
"tns-core-modules": "^2.1.0"
},
-
类型' Observable< {}>'不能分配给类型'Observable '，它指向行'return o'; >
Type 'Observable<{}>' is not assignable to type 'Observable', where it points to the line 'return o';
canDeactivate(): Observable<boolean> | boolean {
if (!this.crisis || this.crisis.name === this.editName) {
return true;
}
let p = this.dialogService.confirm('Discard changes?');
let o = Observable.fromPromise(p);
return o;
}
有人可以指导我解决这些错误吗?谢谢.
Can anyone guide me to fix these errors? thanks.
答
您可以尝试投射:
canDeactivate(): Observable<boolean> | boolean {
if (!this.crisis || this.crisis.name === this.editName) {
return true;
}
let p = this.dialogService.confirm('Discard changes?');
let o = <Observable<boolean>>Observable.fromPromise(p);
return o;
}