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> zorr 1 hour ago | root | parent | next [–]

In my (limited) experience it seems to perform even better for typed languages (for example Kotlin/Java/Swift) compared to Python. The Python code it provided often had subtle type issues when working with dates. While the Kotlin date-related code it provided was more accurate and correct in terms of types. Which makes sense since the additional type information likely leads to a much better "internal model of how Kotlin works"

I think another possibility here is that they might have used an execution environment to check whether the code the model came up with actually compiles and used that as additional input during training. Some sort of execution environment seems to me to also be a possible explanation for how they managed the model to emulate a terminal so well.