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I'm trying to add new fields used in GAMER by editing the file "field.py", but I'm confused about the following declarations.
KnownGAMERFields = FieldInfoContainer() add_gamer_field = KnownGAMERFields.add_field
GAMERFieldInfo = FieldInfoContainer.create_with_fallback(FieldInfo) add_field = GAMERFieldInfo.add_field
What is the difference between "KnownGAMERField" and "GAMERFieldInfo"? To me, it seems that they are both instantiations of the class FieldInfoContainer, except that GAMERFieldInfo has a fallback function "FieldInfo". Similarly, what's the difference between "add_gamer_field" and "add_field"?
Thanks in advance for the help!!