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18 lines
443 B
Nim
18 lines
443 B
Nim
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import macros
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template enumerateRlpFields*[T](x: T, op: untyped) =
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for f in fields(x): op(f)
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macro rlpFields*(T: typedesc, fields: varargs[untyped]): untyped =
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var body = newStmtList()
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let
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ins = genSym(nskParam, "instance")
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op = genSym(nskParam, "op")
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for field in fields:
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body.add quote do: `op`(`ins`.`field`)
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result = quote do:
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template enumerateRlpFields*(`ins`: `T`, `op`: untyped) {.inject.} =
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`body`
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