implemented 'koch pdf'

tests/generics/tthread_generic.nim

@@ -8,22 +8,22 @@ type
     b: proc(val: T) {.thread.}
 
 proc handleThreadFunc(arg: TThreadFuncArgs[int]){.thread.} =
-  var func = arg.a
+  var fn = arg.a
   var callback = arg.b
-  var output = func()
+  var output = fn()
   callback(output)
 
-proc `@||->`*[T](func: proc(): T {.thread.}, 
+proc `@||->`*[T](fn: proc(): T {.thread.}, 
                  callback: proc(val: T){.thread.}): TThread[TThreadFuncArgs[T]] =
   var thr: TThread[TThreadFuncArgs[T]]
   var args: TThreadFuncArgs[T]
-  args.a = func
+  args.a = fn
   args.b = callback
   createThread(thr, handleThreadFunc, args)
   return thr
 
-proc `||->`*[T](func: proc(): T{.thread.}, callback: proc(val: T){.thread.}) =
-  discard func @||-> callback
+proc `||->`*[T](fn: proc(): T{.thread.}, callback: proc(val: T){.thread.}) =
+  discard fn @||-> callback
 
 when isMainModule:
   import os