map: add functions new_map and new_map_init_1 #7424
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generics can't be used in |
ntrel
changed the title
ka-weihe
approved these changes
Dec 20, 2020
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Part of #6991. Add functions that take a
key_bytesparameter.Passing T for the key type is more flexible than having akey_bytesparameter that is passed sizeof(KeyType). E.g. we can testT.name == 'string'to see whether to clone a key. (This is easier to implement than making the wholemapstruct a generic type).I also hope later to implement taking the address of a generic function, so we can support V's==operator for any types that support it. E.g.m.key_eq_fn = &key_eq<T>.Generics are not allowed ATM in builtin.