More AbstractDict interface and reduce invalidations/ambiguities #8
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Biggest improvements to interface were support for
merge
andmergewith
. This required conditionally overloading some methods not defined in Base, but using the@static
macro should prevent any issues there.We were previously allowing any key type while internally converting between
String
andSymbol
. The table and DataFrames community have learned that avoiding ambiguities with interchangeableSymbol
andString
keys takes some more explicit annotations (don't have an issue bit this comment mentions it). So we explicitly enforce that change in the type here. I don't think this breaks anyone's code but I think it is technically a breaking change, so I'm doing a v0.2 release on this one.