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A comment on Rust Dependencies Scare Me. Parent comment
doc_format = get_user_input() parsed_doc = foolib.parse(doc_format)
You as the implementer might know the user will never input xml, so doc_format can't be 'xml' (you might even add some error handling if the user inputs this), but how can you communicate this to the compiler?
doc_format = get_user_input() parsed_doc = foolib.parse(doc_format)
You as the implementer might know the user will never input xml, so doc_format can't be 'xml' (you might even add some error handling if the user inputs this), but how can you communicate this to the compiler?