fix a runnableExamples thanks to this bugfix

Author: timotheecour

lib/pure/sugar.nim

@@ -54,7 +54,6 @@ proc createProcType(p, b: NimNode): NimNode {.compileTime.} =
 
 macro `=>`*(p, b: untyped): untyped =
   ## Syntax sugar for anonymous procedures. It also supports pragmas.
-  # TODO: xxx pending #13491: uncomment in runnableExamples
   runnableExamples:
     proc passTwoAndTwo(f: (int, int) -> int): int = f(2, 2)
 
@@ -69,8 +68,8 @@ macro `=>`*(p, b: untyped): untyped =
     myBot.call = (name: string) {.noSideEffect.} => "Hello " & name & ", I'm a bot."
     assert myBot.call("John") == "Hello John, I'm a bot."
 
-    # let f = () => (discard) # simplest proc that returns void
-    # f()
+    let f = () => (discard) # simplest proc that returns void
+    f()
 
   var
     params = @[ident"auto"]