moved util funcs to utils module

libp2p/streams/stream.nim

@@ -7,7 +7,6 @@
 ## This file may not be copied, modified, or distributed except according to
 ## those terms.
 
-import macros
 import chronos
 
 # TODO: Rework without methods
@@ -20,7 +19,6 @@ type
 
   Stream*[T] = ref object of RootObj
     name*: string
-    closed*: bool
     eof*: bool
     sourceImpl*: proc (s: Stream[T]): Source[T] {.gcsafe.}
     sinkImpl*: proc(s: Stream[T]): Sink[T] {.gcsafe.}
@@ -44,42 +42,5 @@ proc atEof*[T](s: Stream[T]): bool =
   s.eof
 
 proc close*[T](s: Stream[T]) {.async.} =
-  s.closed = true
-
-template toFuture*[T](v: T): Future[T] =
-  var fut = newFuture[T]()
-  fut.complete(v)
-  fut
-
-proc toThrough*[T](s: Stream[T]): Through[T] =
-  proc sinkit(i: Source[T]) {.async.} =
-    await s.sink()(i)
-
-  return proc(i: Source[T]): Source[T] =
-    asyncCheck sinkit(i)
-    s.source()
-
-template pipe*[T](s: Stream[T] | Source[T],
-                  t: varargs[Through[T]]): Source[T] =
-  var pipeline: Source[T]
-  when s is Source[T]:
-    pipeline = s
-  elif s is Stream[T]:
-    pipeline = s.source
-
-  for i in t:
-    pipeline = i(pipeline)
-
-  pipeline
-
-template pipe*[T](s: Stream[T] | Source[T],
-                  t: varargs[Through[T]],
-                  x: Stream[T] | Sink[T]): Future[void] =
-  var pipeline = pipe(s, t)
-  var terminal: Future[void]
-  when x is Stream[T]:
-    terminal = x.sink()(pipeline)
-  elif x is Sink[T]:
-    terminal = x(pipeline)
-
-  terminal
+  # close is called externally
+  s.eof = true