Merge branch 'master' of https://gitlab.mpi-sws.org/FP/LambdaRust-coq

_CoqProject

theories/lang/new_delete.v

theories/lang/notation.v

theories/typing/cont.v

theories/typing/function.v

theories/typing/lft_contexts.v

theories/typing/own.v

theories/typing/sum.v

theories/typing/tests/get_x.v

theories/typing/tests/option_as_mut.v

theories/typing/tests/rebor.v

theories/typing/tests/unbox.v

theories/typing/type_sum.v