The Go Programming Language

Directory src/pkg

Last update: Sat Feb 4 05:05:15 UTC 2012

Need more packages? The Package Dashboard provides a list of goinstallable packages.

Subdirectories

Name				Synopsis
..
archive
	tar			Package tar implements access to tar archives.
	zip			Package zip provides support for reading and writing ZIP archives.
asn1				Package asn1 implements parsing of DER-encoded ASN.1 data structures, as defined in ITU-T Rec X.690.
big				Package big implements multi-precision arithmetic (big numbers).
bufio				Package bufio implements buffered I/O.
builtin				Package builtin provides documentation for Go's built-in functions.
bytes				Package bytes implements functions for the manipulation of byte slices.
cmath				Package cmath provides basic constants and mathematical functions for complex numbers.
compress
	bzip2			Package bzip2 implements bzip2 decompression.
	flate			Package flate implements the DEFLATE compressed data format, described in RFC 1951.
	gzip			Package gzip implements reading and writing of gzip format compressed files, as specified in RFC 1952.
	lzw			Package lzw implements the Lempel-Ziv-Welch compressed data format, described in T. A. Welch, ``A Technique for High-Performance Data Compression'', Computer, 17(6) (June 1984), pp 8-19.
	zlib			Package zlib implements reading and writing of zlib format compressed data, as specified in RFC 1950.
container
	heap			Package heap provides heap operations for any type that implements heap.Interface.
	list			Package list implements a doubly linked list.
	ring			Package ring implements operations on circular lists.
	vector			Package vector implements containers for managing sequences of elements.
crypto				Package crypto collects common cryptographic constants.
	aes			Package aes implements AES encryption (formerly Rijndael), as defined in U.S. Federal Information Processing Standards Publication 197.
	blowfish			Package blowfish implements Bruce Schneier's Blowfish encryption algorithm.
	cast5			Package cast5 implements CAST5, as defined in RFC 2144.
	cipher			Package cipher implements standard block cipher modes that can be wrapped around low-level block cipher implementations.
	des			Package des implements the Data Encryption Standard (DES) and the Triple Data Encryption Algorithm (TDEA) as defined in U.S. Federal Information Processing Standards Publication 46-3.
	dsa			Package dsa implements the Digital Signature Algorithm, as defined in FIPS 186-3
	ecdsa			Package ecdsa implements the Elliptic Curve Digital Signature Algorithm, as defined in FIPS 186-3.
	elliptic			Package elliptic implements several standard elliptic curves over prime fields.
	hmac			Package hmac implements the Keyed-Hash Message Authentication Code (HMAC) as defined in U.S. Federal Information Processing Standards Publication 198.
	md4			Package md4 implements the MD4 hash algorithm as defined in RFC 1320.
	md5			Package md5 implements the MD5 hash algorithm as defined in RFC 1321.
	ocsp			Package ocsp parses OCSP responses as specified in RFC 2560.
	openpgp			Package openpgp implements high level operations on OpenPGP messages.
		armor		Package armor implements OpenPGP ASCII Armor, see RFC 4880.
		elgamal		Package elgamal implements ElGamal encryption, suitable for OpenPGP, as specified in "A Public-Key Cryptosystem and a Signature Scheme Based on Discrete Logarithms," IEEE Transactions on Information Theory, v.
		error		Package error contains common error types for the OpenPGP packages.
		packet		Package packet implements parsing and serialization of OpenPGP packets, as specified in RFC 4880.
		s2k		Package s2k implements the various OpenPGP string-to-key transforms as specified in RFC 4800 section 3.7.1.
	rand			Package rand implements a cryptographically secure pseudorandom number generator.
	rc4			Package rc4 implements RC4 encryption, as defined in Bruce Schneier's Applied Cryptography.
	ripemd160			Package ripemd160 implements the RIPEMD-160 hash algorithm.
	rsa			Package rsa implements RSA encryption as specified in PKCS#1.
	sha1			Package sha1 implements the SHA1 hash algorithm as defined in RFC 3174.
	sha256			Package sha256 implements the SHA224 and SHA256 hash algorithms as defined in FIPS 180-2.
	sha512			Package sha512 implements the SHA384 and SHA512 hash algorithms as defined in FIPS 180-2.
	subtle			Package subtle implements functions that are often useful in cryptographic code but require careful thought to use correctly.
	tls			Package tls partially implements the TLS 1.1 protocol, as specified in RFC 4346.
	twofish			Package twofish implements Bruce Schneier's Twofish encryption algorithm.
	x509			Package x509 parses X.509-encoded keys and certificates.
		pkix		Package pkix contains shared, low level structures used for ASN.1 parsing and serialization of X.509 certificates, CRL and OCSP.
	xtea			Package xtea implements XTEA encryption, as defined in Needham and Wheeler's 1997 technical report, "Tea extensions.
csv				Package csv reads and writes comma-separated values (CSV) files.
debug
	dwarf			Package dwarf provides access to DWARF debugging information loaded from executable files, as defined in the DWARF 2.
	elf			Package elf implements access to ELF object files.
	gosym			Package gosym implements access to the Go symbol and line number tables embedded in Go binaries generated by the gc compilers.
	macho			Package macho implements access to Mach-O object files, as defined by http://developer.apple.com/mac/library/documentation/DeveloperTools/Conceptual/MachORuntime/Reference/reference.html.
	pe			Package pe implements access to PE (Microsoft Windows Portable Executable) files.
ebnf				Package ebnf is a library for EBNF grammars.
encoding
	ascii85			Package ascii85 implements the ascii85 data encoding as used in the btoa tool and Adobe's PostScript and PDF document formats.
	base32			Package base32 implements base32 encoding as specified by RFC 4648.
	base64			Package base64 implements base64 encoding as specified by RFC 4648.
	binary			Package binary implements translation between unsigned integer values and byte sequences and the reading and writing of fixed-size values.
	git85			Package git85 implements the radix 85 data encoding used in the Git version control system.
	hex			Package hex implements hexadecimal encoding and decoding.
	pem			Package pem implements the PEM data encoding, which originated in Privacy Enhanced Mail.
exec				Package exec runs external commands.
exp
	gui			Package gui defines a basic graphical user interface programming model.
		x11		Package x11 implements an X11 backend for the exp/gui package.
	norm			Package norm contains types and functions for normalizing Unicode strings.
	regexp			Package regexp implements a simple regular expression library.
		syntax		Package syntax parses regular expressions into syntax trees.
	template
		html		Package html is a specialization of exp/template that automates the construction of safe HTML output.
	wingui
expvar				Package expvar provides a standardized interface to public variables, such as operation counters in servers.
flag				Package flag implements command-line flag parsing.
fmt				Package fmt implements formatted I/O with functions analogous to C's printf and scanf.
go
	ast			Package ast declares the types used to represent syntax trees for Go packages.
	build			Package build provides tools for building Go packages.
		cgotest
		cmdtest
		pkgtest
	doc			Package doc extracts source code documentation from a Go AST.
	parser			Package parser implements a parser for Go source files.
	printer			Package printer implements printing of AST nodes.
		testdata		Package parser implements a parser for Go source files.
	scanner			Package scanner implements a scanner for Go source text.
	token			Package token defines constants representing the lexical tokens of the Go programming language and basic operations on tokens (printing, predicates).
	typechecker			DEPRECATED PACKAGE - SEE go/types INSTEAD. This package implements typechecking of a Go AST. The result of the typecheck is an augmented AST with object and type information for each identifier.
	types			PACKAGE UNDER CONSTRUCTION. ANY AND ALL PARTS MAY CHANGE. Package types declares the types used to represent Go types.
		testdata
gob				Package gob manages streams of gobs - binary values exchanged between an Encoder (transmitter) and a Decoder (receiver).
hash				Package hash provides interfaces for hash functions.
	adler32			Package adler32 implements the Adler-32 checksum.
	crc32			Package crc32 implements the 32-bit cyclic redundancy check, or CRC-32, checksum.
	crc64			Package crc64 implements the 64-bit cyclic redundancy check, or CRC-64, checksum.
	fnv			Package fnv implements FNV-1 and FNV-1a, non-cryptographic hash functions created by Glenn Fowler, Landon Curt Noll, and Phong Vo.
html				Package html implements an HTML5-compliant tokenizer and parser.
http				Package http implements parsing of HTTP requests, replies, and URLs and provides an extensible HTTP server and a basic HTTP client.
	cgi			Package cgi implements CGI (Common Gateway Interface) as specified in RFC 3875.
	fcgi			Package fcgi implements the FastCGI protocol.
	httptest			Package httptest provides utilities for HTTP testing.
	pprof			Package pprof serves via its HTTP server runtime profiling data in the format expected by the pprof visualization tool.
	spdy
image				Package image implements a basic 2-D image library.
	bmp			Package bmp implements a BMP image decoder.
	draw			Package draw provides image composition functions.
	gif			Package gif implements a GIF image decoder.
	jpeg			Package jpeg implements a JPEG image decoder and encoder.
	png			Package png implements a PNG image decoder and encoder.
	tiff			Package tiff implements a TIFF image decoder.
	ycbcr			Package ycbcr provides images from the Y'CbCr color model.
index
	suffixarray			Package suffixarray implements substring search in logarithmic time using an in-memory suffix array.
io				Package io provides basic interfaces to I/O primitives.
	ioutil			Package ioutil implements some I/O utility functions.
json				Package json implements encoding and decoding of JSON objects as defined in RFC 4627.
log				Package log implements a simple logging package.
mail				Package mail implements parsing of mail messages.
math				Package math provides basic constants and mathematical functions.
mime				Package mime implements parts of the MIME spec.
	multipart			Package multipart implements MIME multipart parsing, as defined in RFC 2046.
net				Package net provides a portable interface to Unix networks sockets, including TCP/IP, UDP, domain name resolution, and Unix domain sockets.
	dict			Package dict implements the Dictionary Server Protocol as defined in RFC 2229.
	textproto			Package textproto implements generic support for text-based request/response protocols in the style of HTTP, NNTP, and SMTP. The package provides: Error, which represents a numeric error response from a server.
netchan				Package netchan implements type-safe networked channels: it allows the two ends of a channel to appear on different computers connected by a network.
old
	template			Package template implements data-driven templates for generating textual output such as HTML. Templates are executed by applying them to a data structure.
os				Package os provides a platform-independent interface to operating system functionality.
	inotify			Package inotify implements a wrapper for the Linux inotify system.
	signal			Package signal implements operating system-independent signal handling.
	user			Package user allows user account lookups by name or id.
patch				Package patch implements parsing and execution of the textual and binary patch descriptions used by version control tools such as CVS, Git, Mercurial, and Subversion.
path				Package path implements utility routines for manipulating slash-separated filename paths.
	filepath			Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths.
rand				Package rand implements pseudo-random number generators.
reflect				Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types.
regexp				Package regexp implements a simple regular expression library.
rpc				Package rpc provides access to the exported methods of an object across a network or other I/O connection.
	jsonrpc			Package jsonrpc implements a JSON-RPC ClientCodec and ServerCodec for the rpc package.
runtime				Package runtime contains operations that interact with Go's runtime system, such as functions to control goroutines.
	cgo			Package cgo contains runtime support for code generated by the cgo tool.
	debug			Package debug contains facilities for programs to debug themselves while they are running.
	pprof			Package pprof writes runtime profiling data in the format expected by the pprof visualization tool.
scanner				Package scanner provides a scanner and tokenizer for UTF-8-encoded text.
smtp				Package smtp implements the Simple Mail Transfer Protocol as defined in RFC 5321.
sort				Package sort provides primitives for sorting slices and user-defined collections.
strconv				Package strconv implements conversions to and from string representations of basic data types.
strings				Package strings implements simple functions to manipulate strings.
sync				Package sync provides basic synchronization primitives such as mutual exclusion locks.
	atomic			Package atomic provides low-level atomic memory primitives useful for implementing synchronization algorithms.
syscall				Package syscall contains an interface to the low-level operating system primitives.
syslog				Package syslog provides a simple interface to the system log service.
tabwriter				Package tabwriter implements a write filter (tabwriter.Writer) that translates tabbed columns in input into properly aligned text.
template				Package template implements data-driven templates for generating textual output such as HTML. Templates are executed by applying them to a data structure.
	parse			Package parse builds parse trees for templates.
testing				Package testing provides support for automated testing of Go packages.
	iotest			Package iotest implements Readers and Writers useful only for testing.
	quick			Package quick implements utility functions to help with black box testing.
	script			Package script aids in the testing of code that uses channels.
time				Package time provides functionality for measuring and displaying time.
try				Package try contains the executable part of the gotry command.
unicode				Package unicode provides data and functions to test some properties of Unicode code points.
unsafe				Package unsafe contains operations that step around the type safety of Go programs.
url				Package URL parses URLs and implements query escaping.
utf16				Package utf16 implements encoding and decoding of UTF-16 sequences.
utf8				Package utf8 implements functions and constants to support text encoded in UTF-8.
websocket				Package websocket implements a client and server for the Web Socket protocol.
xml				Package xml implements a simple XML 1.0 parser that understands XML name spaces.

release.r60.3. Except as noted, this content is licensed under a Creative Commons Attribution 3.0 License.