Varriount

iterator sillyOne(x, y:int): int {.closure.} =
  var z = x
  while z < y:
    yield z
    inc(z)

when defined(isMainModule):
  var x = sillyOne
  echo(x(1, 20))
  echo(x(1, 21))

Varriount

iterator sillyOne(y:string): int {.closure.} =
  var x = ""
  while true:
    x = x & y
    yield x
  

when defined(isMainModule):
  var x = sillyOne
  echo(x("Hello"))

Varriount

#-- 1
Traceback (most recent call last)
nimrod.nim(79)           nimrod
nimrod.nim(55)           HandleCmdLine
main.nim(308)            MainCommand
main.nim(73)             CommandCompileToC
modules.nim(193)         CompileProject
modules.nim(151)         compileModule
passes.nim(192)          processModule
passes.nim(136)          processTopLevelStmt

Varriount

import queues

when defined(isMainModule):
  var x = initQueue[float](4)
  add[float](x, 20) # Must be specified, else the compiler doesn't know if 20 is an int or a float
  echo(x)

Varriount

test.nim(38, 8) Info: instantiation from here
test.nim(28, 11) Info: instantiation from here
test.nim(38, 8) Info: instantiation from here
test.nim(28, 11) Info: instantiation from here
lib\pure\marshal.nim(242, 9) Error: internal error: instantiateGenericParamList: T
Traceback (most recent call last)
nimrod.nim(79)           nimrod
nimrod.nim(55)           HandleCmdLine
main.nim(308)            MainCommand
main.nim(73)             CommandCompileToC

Varriount

  of nkBracketExpr: # Line 1923 of semexpr.nim
    checkMinSonsLen(n, 1)
    var s = qualifiedLookup(c, n.sons[0], {checkUndeclared})
    if not isNil(n.sons[0]) and n.sons[0].kind in {nkDotExpr}:
      var dotSon = n.sons[0]
      if not isNil(dotSon):
        var lastSon = dotSon.sons[dotSon.sons.len-1]
        if not isNil(lastSon) and lastSon.kind in {nkIdent}:
          var g = qualifiedLookup(c, lastSon, {checkUndeclared}) # Errors in system.nim, line 2203

Varriount

test.nim(41, 8) Info: instantiation from here
test.nim(29, 13) Info: instantiation from here
test.nim(41, 8) Info: instantiation from here
test.nim(29, 13) Info: instantiation from here
lib\pure\marshal.nim(242, 9) Error: internal error: instantiateGenericParamList: T
Traceback (most recent call last)
nimrod.nim(79)           nimrod
nimrod.nim(55)           HandleCmdLine
main.nim(308)            MainCommand
main.nim(73)             CommandCompileToC

Varriount

## Imports
import marshal
import macros
 
 
## Types
type TLog* = ref object
  path: string
  file: TFile
 

Varriount

# This works
iterator testGenProc[iT, rT](iter:iT): rT {.closure.} =
  for i in iter:
    yield i

var x = testGenProc[seq[int],int]
echo(x(@[1,2,3]))
echo(x(@[1,2,3]))

# This doesn't

Varriount

iterator cycle* [iterType, returnType](iter:iterType): returnType =
  ## An iterator returning elements from the iterable and saving a 
  ## copy of each. When the iterable is exhausted, return elements 
  ## from the saved copy. Repeats indefinitely.
  ##
  ## Parameters:
  ##   iter: The iterator to cycle through
  var cont:seq[returnType]
  cont = newSeq[returnType]()
  for element in iter: