From: Brian Ford <redmine@...>
Date: 2008-12-19T09:08:27+09:00
Subject: [ruby-core:20670] [Feature #905] Add String.new(fixnum) to preallocate large buffer

Issue #905 has been updated by Brian Ford.


In Rubinius, we have found it useful to have String.pattern(size, value) where value can be a fixnum or a string. The string created will be size characters where value is repeated. For example:

String.pattern(5, ?a)    # => "aaaaa"
String.pattern(5, " ")   # => "    "
String.pattern(5, "110") # => "11011"

Something like "ab" * 5 then becomes String.pattern("ab".size * 5, "ab").
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http://redmine.ruby-lang.org/issues/show/905

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