Add support for components in both positions of pairs #164
+46
−41
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Currently if you want your pairs to have relation data, you have to put a component ID in the first part of the pair. However this restricts usage for many so this PR will let pairs have relation data as long as at least one ID is a component. The behaviour will be that the type gets inferred as the first ID unless it is a tag and in that case it will return the second ID.
pair(Component, Tag)
- relation data is typed as First IDpair(Component, Component)
- relation data is typed as First IDpair(Tag, Component)
- relation data is typed as Second IDpair(Tag, Tag)
- no relation data as the pair is considered a tag