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21
Minecraft Datapacking/When Two Macros are Faster than One.md
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@ -6,6 +6,7 @@ While working on my Database datapack (still WIP), I knew I'd want to find
# Scenario
## Dataset
The data is stored in a storage `#_macro.array`. Array is populated with a total of 500 entries, each having a `id` and `string` fields.
```json
[
{
@ -20,14 +21,16 @@ While working on my Database datapack (still WIP), I knew I'd want to find
]
```
## Constraints
The objective is to create an interface that receives a keyword, say `entry500`, and searches the array for an entry where the value of `string` matches the keyword.
# One Macro
Macros allow us to reach into our array and pick out an entry that matching value in the `string` property.
```haskell
> one_macro.array[string:$(keyword)]
```vb
... one_macro.array[string:$(keyword)]
```
```haskell
-- one_macro/run.mcfunction
```vb
'# one_macro/run.mcfunction
data modify storage test_namespace:test_namespace temp.keyword set value 'entry500'
@ -37,14 +40,14 @@ data remove storage test_namespace:test_namespace temp.keyword
data remove storage test_namespace:test_namespace temp.result
```
```haskell
-- one_macro/_searcharray.mcfunction
```vb
'# one_macro/_searcharray.mcfunction
$data modify storage test_namespace:test_namespace temp.result set from storage test_namespace:test_namespace one_macro.array[string:$(keyword)]
```
# Two Macro
```vb
' two_macro/run.mcfunction
'# two_macro/run.mcfunction
data modify storage test_namespace:test_namespace temp.keyword set value 'entry500'
@ -58,13 +61,13 @@ data remove storage test_namespace:test_namespace temp.result
```
```vb
' two_macro/_searchindex.mcfunction
'# two_macro/_searchindex.mcfunction
$data modify storage test_namespace:test_namespace temp.index set from storage test_namespace:test_namespace two_macro.index.$(keyword)
```
```vb
' two_macro/_searcharray.mcfunction
'# two_macro/_searcharray.mcfunction
$data modify storage test_namespace:test_namespace temp.result set from storage test_namespace:test_namespace two_macro.array[$(index)]
```