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CADDesigner-Code-main/workspace/skills/simplecad-self-evolve/references/docs/api/meta.md

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+# meta
+
+## API Definition
+
+```python
+def meta(path: str, op: str, value: Any) -> Predicate
+```
+
+*Source: ql.py*
+
+## Description
+
+Build a metadata-based predicate.
+
+Q.meta("geo.type", "==", "box")
+
+## Parameters
+
+### path
+
+- **Description**: Metadata path, for example `geo.type`.
+
+### op
+
+- **Description**: Comparison operator. Supports `==`, `!=`, `>`, `>=`, `<`, and `<=`.
+
+### value
+
+- **Description**: Comparison target value.
+
+## Returns
+
+Callable[[Any], bool]: Predicate function.
+
+## Raises
+
+- **TypeError**: If op is not a string.
+- **ValueError**: If the operator is unsupported.
+
+## Examples
+
+```python
+pred = Q.meta("geo.size.x", ">", 1.0)
+matched = pred(obj)
+```