From a97d447090df3d4961f443195792cd9127bbd922 Mon Sep 17 00:00:00 2001
From: flaviut <tamasflaviu@gmail.com>
Date: Sun, 13 Jul 2014 22:09:50 -0400
Subject: [PATCH] Initial Blocks section

---
 content/block.md | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

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+---
+title: Blocks
+---
+
+# Blocks
+
+There are two ways to introduce a block, with the `block: ` statement or with `()`s.
+
+The block statement can also be labeled, making it useful for breaking out of loops and is useful for general scoping as well. 
+
+``` nimrod
+block outer:
+  for i in 0..2000:
+    for j in 0..2000:
+      if i+j == 3145:
+        echo i, ", ", j
+        break outer
+
+let b = 3
+block:
+  let b = "3"  # Probably a dumb idea
+```
+
+Parentheses can be used as an expression, but they do not provide end of statement inference, so it is necessary to place semicolons yourself.
+
+``` nimrod
+square((
+  var result = newSeq[float]();
+  for i in 0..1000:
+  	result[i] = i;
+  result
+))
+```
+
+An interesting and unexpected side effect of this syntax is that Nimrod is suitable even for brace purists!
+
+``` nimrod
+proc square(inSeq: seq[float]): seq[float] = (
+  result = newSeq[float](len(inSeq));
+  for i, v in inSeq: (
+    result[i] = v*v;
+  )
+)
+```
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