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We've made tremendous advancements since the early days of programming, but the modern form still forces us into the role of bit shifting machines. Programming has always been for us - the humans tapping at keyboards. The computer doesn't care what syntax or semantics we use or how error messages are phrased. Those are for you and me. And this is how we treat ourselves...

Focusing on the machine and ignoring the human factors of software engineering have led us down a difficult road. From inscrutable error messages to semantics that require years of study to understand, we've landed on a version of programming that is actively antagonistic toward our goal of creating usable and robust software. To make matters worse, we're programming as if we still had the 1970's computer that our tools were developed for. Unsurprisingly, we are struggling. pp加速器手机版.

There's no reason we have to stay on top of a sinking foundation though. What if we went back to first principles and put humans first? What would that look like?

Over the past several years, we've been exploring what an alternate future could look like and have distilled that research into a platform that we call Eve. To get a taste, let's take a look at a day in the life of someone programming in Eve:

Eve is based on a single unifying principle: everything is a record - a set of attribute/value pairs associated to an ID. With this uniformity, Eve only needs a handful of operations that query and manipulate records. Want to send an email? You create an email record. Want to look at messages sent to slack? You query for message records in the slack database. Want to make a todo app? Query for todos and create div records in the browser database.

Code isn't an asset, it's a liability. Every line adds to the surface area of potential bugs and to the pile of things that must be understood and maintained. As long as we aren't obfuscating intent, our goal should be to have less code. Eve programs tend to be very small, but even more importantly, individual blocks remain short and single purpose. Because of the literate programming focus, blocks also fit into a narrative that helps provide context. Code is presented in small, digestible pieces, with built-in explanations and a place in the larger picture. The impact this has on maintenance, navigation, and collaboration can't be overstated.

The common interface of records means that Eve blocks compose by default and because there's no inherent ordering to blocks, we're free to organize them however we want. Instead of constantly re-architecting to deal with changes, or building complex infrastructure to deal with evolution, Eve programs grow organically. Features, fixes, even visualizations can all be added without changing existing code and the lack of order allows us to put them wherever it makes the most sense.

Instead of spreading null checks and asserts throughout our code, invariants can be enforced globally by producing error records. Doing this through normal Eve blocks gives us the full power of the language to express arbitrarily complex invariants.

The fact that constraints can be expressed globally through block composition has a couple of interesting implications. The first is that correctness is pay as you go. We don't have to lay out a bunch of types or schemas before we even really know what we're trying to build. We can work on our program and layer on invariants as it seems appropriate.

The second is that these integrity constraints will never allow our records to enter into a bad state. As such, it's safe for us to think just about the block we're working on. No need to check invariants every line or worry about adding code that gives everyone ten salaries. We have local reasoning with global enforcement.

The best part though is that just like everything else, errors are records. Error handling is just another block.

Simple solutions are unfortunately much more difficult to find than complex ones. It requires being deliberate and questioning many of the things we hold as inherent truths. In the end, the design of Eve stems from a complete focus on simplicity. Instead of Eclipse, let's do our work in something more like pen and paper. Instead of complex semantics, let's have everything be a record. Instead of thousands of debugger options, let's have a magic tool where you click on the thing that's going wrong. Eve is about making things simpler for the people solving problems: us.