async pipe ngfor
<ul>
<li *ngFor="let pizza of pizzas$ | async; index as i">
{{ i + 1 }}. {{ pizza.name }}
</li>
</ul>
<!--
In Ang2+,
pizza$ is an observable that pushes pizza[] instances
-->
async pipe ngfor
<ul>
<li *ngFor="let pizza of pizzas$ | async; index as i">
{{ i + 1 }}. {{ pizza.name }}
</li>
</ul>
<!--
In Ang2+,
pizza$ is an observable that pushes pizza[] instances
-->
ngif async pipe
<div *ngIf="user$ | async as user">
<user-profile
[user]="user.profile">
</user-profile>
<user-messages
[user]="user.messages">
</user-messages>
</div>
<!--
In Angular2+ it is possible to use ngif and async pipe without headaches!
When the user observable pushes a value it gets stored in the user variable.
Can use user.stuff from then on.
-->
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