plus

Transforms the receiver to add entry, throwing IllegalArgumentException if the receiver already has a matching entry. Use merge to replace an existing entry with a new one.


Transforms the receiver to add all entries from other.

Throws

if the receiver already has an matching Entry. Use merge to replace existing entries instead.


Returns a new ViewEnvironment that adds registry to the receiver. If the receiver already has a ViewRegistry, ViewEnvironmentKey.combine is applied as usual to merge its entries.