There're several possible ways to mitigate this is...

# language-proposals

[dmitry.petrov]

There're several possible ways to mitigate this issue, e.g., "this method is available in specializations where type argument T is a reference type (or: is a primitive type)".

[benleggiero]

Sounds like a non-solution: a map that can't be read

[dmitry.petrov]

Not exactly. There might be alternative get-like methods for Map<_, val T>, or default<T>, or....