Is there a design reason why assigning `fun interf...

# language-evolution

[Ben Woodworth]

Is there a design reason why assigning fun interface lambdas still need the explicit interface name? (as opposed to function calls, where it's not required)
https://youtrack.jetbrains.com/issue/KT-14151 (which hasn't gotten much love)

In a library of mine I'm changing a function with a few SAM lambda parameters into a builder DSL, and it feels weird/unfortunate that the explicit type would now be required