Closed
Description
Example
type
Result[T, E] = object
DataProc = proc(val: openArray[byte])
GetProc = proc (onData: DataProc): Result[bool, cstring]
func get[T, E](self: Result[T, E]): T =
discard
template `[]`[T, E](self: Result[T, E]): T =
self.get()
proc testKVStore() =
var v: seq[byte]
var p: GetProc
discard p(proc(data: openArray[byte]) =
v = @data
)[]
testKVStore()
Current Output
/home/arnetheduck/status/nim-beacon-chain/beacon_chain/test.nim(18, 12) Error: internal error: expr: param not init data_17356077
[arnetheduck@tempus nim-beacon-chain]$ nim -v
Nim Compiler Version 1.3.1 [Linux: amd64]
Compiled at 2020-04-21
Copyright (c) 2006-2020 by Andreas Rumpf
git hash: b4e9f8e814373fc38741736197d88475663ce758
active boot switches: -d:release