Do u ever feel like separating function out values into "the return value" and "parameter out values" was a mistake
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Conversation
Currently refactoring a moderately sized program that throughout uses filehandles exclusively refer to files, and assumes "invalid file" always means fd<0; to have any file returning a fd return a success bool and write an opaque filehandle to a pointer. It's not fun.
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What if functions had no "return values" and all data output for the function were in the form of named out parameters. Could you still do good-feeling functional programming that way
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