Merge pull request #1075 from flaviut/inlinedocs

Add some documentations and code examples in system

tests/misc/tloops.nim

@@ -0,0 +1,87 @@
+# Test nested loops and some other things
+
+proc andTest() =
+  var a = 0 == 5 and 6 == 6
+
+proc incx(x: var int) = # is built-in proc
+  x = x + 1
+
+proc decx(x: var int) =
+  x = x - 1
+
+proc First(y: var int) =
+  var x: int
+  i_ncx(x)
+  if x == 10:
+    y = 0
+  else:
+    if x == 0:
+      incx(x)
+    else:
+      x=11
+
+proc TestLoops() =
+  var i, j: int
+  while i >= 0:
+    if i mod 3 == 0:
+      break
+    i = i + 1
+    while j == 13:
+      j = 13
+      break
+    break
+
+  while True:
+    break
+
+
+proc Foo(n: int): int =
+    var
+        a, old: int
+        b, c: bool
+    F_irst(a)
+    if a == 10:
+        a = 30
+    elif a == 11:
+        a = 22
+    elif a == 12:
+        a = 23
+    elif b:
+        old = 12
+    else:
+        a = 40
+
+    #
+    b = false or 2 == 0 and 3 == 9
+    a = 0 + 3 * 5 + 6 + 7 + +8 # 36
+    while b:
+        a = a + 3
+    a = a + 5
+    write(stdout, "Hello!")
+
+
+# We should come till here :-)
+discard Foo(345)
+
+# test the new type symbol lookup feature:
+
+type
+  MyType[T] = tuple[
+    x, y, z: T]
+  MyType2 = tuple[x, y: float]
+
+proc main[T]() =
+  var myType: MyType[T]
+  var b: MyType[T]
+  b = (1, 2, 3)
+  myType = b
+  echo myType
+  
+  var myType2: MyType2
+  var c: MyType2
+  c = (1.0, 2.0)
+  myType2 = c
+  echo myType2
+
+main[int]()
+