apps/codelab/src/app/admin/users/users.component.html
<table mat-table [dataSource]="admins$ | async" class="mat-elevation-z8">
<ng-container matColumnDef="key">
<th mat-header-cell *matHeaderCellDef>Key</th>
<td mat-cell *matCellDef="let admin">{{ admin.key }}</td>
</ng-container>
<ng-container matColumnDef="isCurrentUser">
<th mat-header-cell *matHeaderCellDef>You</th>
<td mat-cell *matCellDef="let admin">
{{ admin.isCurrentUser ? '⛱' : '' }}
</td>
</ng-container>
<tr mat-header-row *matHeaderRowDef="displayedColumns"></tr>
<tr mat-row *matRowDef="let row; columns: displayedColumns"></tr>
</table>