Can you write a new derivable trait in regular Rust? /cc @steveklabnik @pcwalton
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@pcwalton@steveklabnik Cool cool. Seemed like that was the case atm. They're currently handled as compiler special cases I assume? -
@evanphx@steveklabnik They're procedural macros expanded by the macro system, which are currently all built into the compiler - 5 more replies
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