implemented 'koch pdf'

tests/closure/tclosuremacro.nim

@@ -1,43 +0,0 @@
-discard """
-  output: '''10
-10
-10
-3
-3
-noReturn
-6
-'''
-"""
-
-import future
-
-proc twoParams(x: (int, int) -> int): int =
-  result = x(5, 5)
-
-proc oneParam(x: int -> int): int =
-  x(5)
-
-proc noParams(x: () -> int): int =
-  result = x()
-
-proc noReturn(x: () -> void) =
-  x()
-
-proc doWithOneAndTwo(f: (int, int) -> int): int =
-  f(1,2)
-
-echo twoParams(proc (a, b): auto = a + b)
-echo twoParams((x, y) => x + y)
-
-echo oneParam(x => x+5) 
-
-echo noParams(() => 3)
-
-echo doWithOneAndTwo((x, y) => x + y)
-
-noReturn(() -> void => echo("noReturn"))
-
-proc pass2(f: (int, int) -> int): (int) -> int =
-  (x: int) -> int => f(2, x)
-
-echo pass2((x, y) => x + y)(4)

tests/closure/tinvalidclosure.nim

@@ -1,12 +1,12 @@
 discard """
   line: 12
-  errormsg: "type mismatch: got (proc (int){.closure, gcsafe.})"
+  errormsg: "type mismatch: got (proc (int){.closure, gcsafe, locks: 0.})"
 """
 
 proc ugh[T](x: T) {.closure.} =
   echo "ugha"
 
 
-proc takeCdecl(p: proc (x: int) {.cdecl.}) = nil
+proc takeCdecl(p: proc (x: int) {.cdecl.}) = discard
 
 takeCDecl(ugh[int])