Enforce object mutability in move calls #162
Merged
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For objects that are passed to Move calls, we should also check their mutability.
This PR checks it based on the inferred mutability using function signatures.
One open question is whether we want to allow client to explicitly express their mutability desire.
For example, do we want to allow the client to be able to explicitly specify the mutability of each argument? @oxade
This closes #161.