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Add macroexpand to see the output #616

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Merged
merged 2 commits into from
Jun 16, 2025
Merged

Add macroexpand to see the output #616

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Add macroexpand to see the output
penelopeysm Jun 16, 2025
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penelopeysm Jun 16, 2025
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13 changes: 12 additions & 1 deletion developers/compiler/minituring-compiler/index.qmd
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Expand Up @@ -270,7 +270,18 @@ We define the probabilistic model:
end;
```

We perform inference with data `x = 3.0`:
The `@mini_model` macro expands this into another function, `m`, which effectively calls either `assume` or `observe` on each variable as needed:

```{julia}
@macroexpand @mini_model function m(x)
a ~ Normal(0.5, 1)
b ~ Normal(a, 2)
x ~ Normal(b, 0.5)
return nothing
end
```

We can use this function to construct the `MiniModel`, and then perform inference with data `x = 3.0`:

```{julia}
sample(MiniModel(m, (x=3.0,)), MHSampler(), 1_000_000; chain_type=Chains, progress=false)
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