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This feature is not necessarily needed in the first-ever major release of the language.
* Why do we need them though?
It's actually like Agda's records, just a furnished Sigma type that can cont…
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Some old notes from talking with Jonathan Brachthäuser at ICFP 2018.
He pointed out that if you have a HOF that takes an effectful fn, f, as arg which is parametric in its effect, and then you hav…
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**Problem I'm trying to solve**
I have a table that really contains multiple item types. In SQLAlchemy I would make multiple models from this using Polymorphic Identity. I can't figure out how to do …
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@balhoff When I run the nexml files that Wasila sent me (https://github.com/phenoscape/scate/tree/master/data)
through ontotrace through the validator (http://www.nexml.org/phylows/validator) I get …
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Hello again!
I keep making detailed proposals for things where I either missed something or there's a good reason it can't work.
So I figured I should just do a rapid fire list and then things can…
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Namely, when you try to update a filed using the previous (current) state with a given function `f`, just write `x{it $= f}`.
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Records have some nice destructuring:
```reason
type foo = {bar: string, baz: int};
let z = {bar:"blah", baz:123};
let {bar, baz} = z;
let f = ({bar, baz}) => bar;
```
Would be nice to have t…
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[@RossTate] In the discussion for Tuples (#3187), @luxspes brought up the issue of record types, a variant of tuples which are particularly important to databases and relational algebra.
One database…
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Hi,
In many cases it would be useful to treat some type as a subtype of another one. In the gist below, I describe a proposal to get this working in Numba
https://gist.github.com/luk-f-a/9063ee…
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Right now, `persistent` has a somewhat confusing array of techniques for providing polymorphism.
The intent is to allow queries and database actions to be *backend agnostic*.
```haskell
f
…