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josevalim merged 1 commit into from
Mar 27, 2026
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language fixes for latest blog post #1820

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8 changes: 4 additions & 4 deletions _posts/2026-03-19-lazy-bdds-with-eager-literal-differences.markdown
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Expand Up @@ -4,7 +4,7 @@ title: "Lazy BDDs with eager literal differences"
authors:
- José Valim
category: Internals
excerpt: "This is a follow up to our batch of set-theoretic types optimizations, this time targetting differences"
excerpt: "This is a follow up to our batch of set-theoretic types optimizations, this time targeting differences"
---

In [a previous article](/blog/2026/02/26/eager-literal-intersections/),
Expand Down Expand Up @@ -62,7 +62,7 @@ empty?(difference(clause3, union(clause1, clause2)))
```

Long story short: with Elixir v1.20.0-rc.2, the type system is seeing an
increase number of differences. Projects where modules had 1000+ of clauses
increasing number of differences. Projects where modules had 1000+ of clauses
were taking too long to compile, so it was time to derive new formulas and
optimizations.

Expand Down Expand Up @@ -139,7 +139,7 @@ one of the sides is exclusively a literal, which means that `C = :top`,

### Literal on the right-hand side

We want to derive new formulas for difference when `B2` is a literal.
We want to derive new formulas for the difference when `B2` is a literal.
Let's start with the base formula:

```
Expand Down Expand Up @@ -178,7 +178,7 @@ eager literal difference recursively.

### Literal on the left-hand side

Now let's derive new formulas for difference when `B1` is a literal.
Now let's derive new formulas for the difference when `B1` is a literal.
This means we want to compute:

```
Expand Down