Nim/tests/generics/tgenerics_and_inheritance.nim
2018-08-30 15:49:51 +02:00

36 lines
552 B
Nim

# bug #7854
type
Stream* = ref StreamObj
StreamObj* = object of RootObj
InhStream* = ref InhStreamObj
InhStreamObj* = object of Stream
f: string
proc newInhStream*(f: string): InhStream =
new(result)
result.f = f
var val: int
let str = newInhStream("input_file.json")
block:
# works:
proc load[T](data: var T, s: Stream) =
discard
load(val, str)
block:
# works
proc load[T](s: Stream, data: T) =
discard
load(str, val)
block:
# broken
proc load[T](s: Stream, data: var T) =
discard
load(str, val)