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authorChris Lattner <sabre@nondot.org>2009-08-23 21:53:47 +0000
committerChris Lattner <sabre@nondot.org>2009-08-23 21:53:47 +0000
commit983c592272eb59d39fd78c515e1f2701638879e0 (patch)
tree1825e1faa278b8aee36b7c6191ee232165ced249 /docs
parent28fb7c4a9a7ebabfd44d436028425862fbf01153 (diff)
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disuade people from using ostream.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79866 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
-rw-r--r--docs/CodingStandards.html14
1 files changed, 8 insertions, 6 deletions
diff --git a/docs/CodingStandards.html b/docs/CodingStandards.html
index ff707f3a84..894521650a 100644
--- a/docs/CodingStandards.html
+++ b/docs/CodingStandards.html
@@ -990,12 +990,14 @@ library. There are two problems with this:</p>
</ol>
<p>Note that using the other stream headers (<tt>&lt;sstream&gt;</tt> for
-example) is allowed normally, it is just <tt>&lt;iostream&gt;</tt> that is
-causing problems.</p>
-
-<p>In addition, new code should always
-use <a href="#ll_raw_ostream"><tt>raw_ostream</tt></a> or
-the <tt>llvm::MemoryBuffer</tt> API (for reading in files).</p>
+example) is not problematic in this regard (just <tt>&lt;iostream&gt;</tt>).
+However, raw_ostream provides various APIs that are better performing for almost
+every use than std::ostream style APIs, so you should just use it for new
+code.</p>
+
+<p><b>New code should always
+use <a href="#ll_raw_ostream"><tt>raw_ostream</tt></a> for writing, or
+the <tt>llvm::MemoryBuffer</tt> API for reading files.</b></p>
</div>