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The Go programming language
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Motivations: - Simpler UI. Previous API proved a bit awkward for practical purposes. - Iter is often used in cases where one want to be able to bail out early. The old implementaton had too much look-ahead to be efficient. Disadvantages: - ASCII performance is bad. This is unavoidable for tiny iterations. Example is included to show how to work around this. Description: Iter now iterates per boundary/segment. It returns a slice of bytes that either points to the input bytes, the internal decomposition strings, or the small internal buffer that each iterator has. In many cases, copying bytes is avoided. The method Seek was added to support jumping around the input without having to reinitialize. Details: - Table adjustments: some decompositions exist of multiple segments. Decompositions that are of this type are now marked so that Iter can handle them separately. - The old iterator had a different next function for different normal forms that was assigned to a function pointer called by Next. The new iterator uses this mechanism to switch between different modes for handling different type of input as well. This greatly improves performance for Hangul and ASCII. It is also used for multi-segment decompositions. - input is now a struct of sting and []byte, instead of an interface. This simplifies optimizing the ASCII case. R=rsc CC=golang-dev https://golang.org/cl/6873072 |
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This is the source code repository for the Go programming language.
For documentation about how to install and use Go,
visit http://golang.org/ or load doc/install.html in your web browser.
After installing Go, you can view a nicely formatted
doc/install.html by running godoc --http=:6060
and then visiting http://localhost:6060/doc/install.html.
Unless otherwise noted, the Go source files are distributed
under the BSD-style license found in the LICENSE file.
--
Binary Distribution Notes
If you have just untarred a binary Go distribution, you need to set
the environment variable $GOROOT to the full path of the go
directory (the one containing this README). You can omit the
variable if you unpack it into /usr/local/go, or if you rebuild
from sources by running all.bash (see doc/install.html).
You should also add the Go binary directory $GOROOT/bin
to your shell's path.
For example, if you extracted the tar file into $HOME/go, you might
put the following in your .profile:
export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin
See doc/install.html for more details.