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Implement asyncfile.readToStream.

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This commit is contained in:
Dominik Picheta 2017-03-23 21:34:53 +01:00
commit 0cad2896ae
1 changed files with 10 additions and 0 deletions
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10
lib/pure/asyncfile.nim
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@ -489,3 +489,13 @@ proc writeFromStream*(f: AsyncFile, fs: FutureStream[string]) {.async.} =
await f.write(value) await f.write(value)
else: else:
break break
proc readToStream*(f: AsyncFile, fs: FutureStream[string]) {.async.} =
## Writes data to the specified future stream as the file is read.
while true:
let data = await read(f, 4000)
if data.len == 0:
break
await fs.write(data)
fs.complete()