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10ac2ec446
In Hugo `0.49` we improved type support in `slice`. This has an unfortunate side effect in that `resources.Concat` now expects something that can resolve to `resource.Resources`.
This worked for most situations, but when you try to `slice` different `Resource` objects, you would be getting `[]interface {}` and not `resource.Resources`. And `concat` would fail:
```bash
error calling Concat: slice []interface {} not supported in concat.
```
This commit fixes that by simplifying the type checking logic in `Slice`:
* If the first item implements the `Slicer` interface, we try that
* If the above fails or the first item does not implement `Slicer`, we just return the `[]interface {}`
Fixes #5269
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| .. | ||
| append.go | ||
| append_test.go | ||
| apply.go | ||
| apply_test.go | ||
| collections.go | ||
| collections_test.go | ||
| index.go | ||
| index_test.go | ||
| init.go | ||
| init_test.go | ||
| reflect_helpers.go | ||
| sort.go | ||
| sort_test.go | ||
| where.go | ||
| where_test.go | ||