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https://github.com/nim-lang/Nim.git
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948fc29bb2
fixes #23749, refs #22716 `semIndirectOp` is used here because of the callback expressions, in this case `db.getProc(...)`, and `semIndirectOp` calls `semOpAux` to type its arguments before overloading starts. Hence it can opt in to symchoices since overloading will resolve them.
38 lines
866 B
Nim
38 lines
866 B
Nim
discard """
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action: compile
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"""
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{.pragma: callback, gcsafe, raises: [].}
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type
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DataProc* = proc(val: openArray[byte]) {.callback.}
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GetProc = proc (db: RootRef, key: openArray[byte], onData: DataProc): bool {.nimcall, callback.}
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KvStoreRef* = ref object
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obj: RootRef
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getProc: GetProc
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template get(dbParam: KvStoreRef, key: openArray[byte], onData: untyped): bool =
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let db = dbParam
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db.getProc(db.obj, key, onData)
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func decode(input: openArray[byte], maxSize = 128): seq[byte] =
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@[]
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proc getSnappySSZ(db: KvStoreRef, key: openArray[byte]): string =
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var status = "not found"
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proc decode(data: openArray[byte]) =
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status =
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if true: "found"
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else: "corrupted"
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discard db.get(key, decode)
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status
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var ksr: KvStoreRef
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var k = [byte(1), 2, 3, 4, 5]
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proc foo(): string =
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getSnappySSZ(ksr, toOpenArray(k, 1, 3))
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echo foo()
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