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Allow usage of functions in predicate expressions #16

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coco98 opened this issue Dec 16, 2022 · 0 comments
Open

Allow usage of functions in predicate expressions #16

coco98 opened this issue Dec 16, 2022 · 0 comments

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@coco98
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coco98 commented Dec 16, 2022

We should extend the predicate function grammar to allow application of functions and not just : : style expressions.

This will allow the predicate expressions to capture more complex use-cases.

// Custom type validation (check if email is valid)
isValid(node.email): true

Possible syntax that works well when represented in a JSON DSL:

apply:
  functionName: isValid
  arguments: [node.email]
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