| Name |
Synopsis |
| archive |
|
| tar |
Package tar implements access to tar archives.
|
| zip |
Package zip provides support for reading and writing ZIP archives.
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| bufio |
Package bufio implements buffered I/O. It wraps an io.Reader or io.Writer object, creating another object (Reader or Writer) that also implements the interface but provides buffering and some help for textual I/O.
|
| builtin |
Package builtin provides documentation for Go's predeclared identifiers.
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| bytes |
Package bytes implements functions for the manipulation of byte slices.
|
| compress |
|
| bzip2 |
Package bzip2 implements bzip2 decompression.
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| flate |
Package flate implements the DEFLATE compressed data format, described in RFC 1951.
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| 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.
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| list |
Package list implements a doubly linked list.
|
| ring |
Package ring implements operations on circular lists.
|
| context |
Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
|
| 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.
|
| 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.
|
| ed25519 |
Package ed25519 implements the Ed25519 signature algorithm.
|
| 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.
|
| md5 |
Package md5 implements the MD5 hash algorithm as defined in RFC 1321.
|
| rand |
Package rand implements a cryptographically secure random number generator.
|
| rc4 |
Package rc4 implements RC4 encryption, as defined in Bruce Schneier's Applied Cryptography.
|
| rsa |
Package rsa implements RSA encryption as specified in PKCS #1 and RFC 8017.
|
| sha1 |
Package sha1 implements the SHA-1 hash algorithm as defined in RFC 3174.
|
| sha256 |
Package sha256 implements the SHA224 and SHA256 hash algorithms as defined in FIPS 180-4.
|
| sha512 |
Package sha512 implements the SHA-384, SHA-512, SHA-512/224, and SHA-512/256 hash algorithms as defined in FIPS 180-4.
|
| subtle |
Package subtle implements functions that are often useful in cryptographic code but require careful thought to use correctly.
|
| tls |
Package tls partially implements TLS 1.2, as specified in RFC 5246, and TLS 1.3, as specified in RFC 8446.
|
| 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.
|
| database |
|
| sql |
Package sql provides a generic interface around SQL (or SQL-like) databases.
|
| driver |
Package driver defines interfaces to be implemented by database drivers as used by package sql.
|
| debug |
|
| dwarf |
Package dwarf provides access to DWARF debugging information loaded from executable files, as defined in the DWARF 2.0 Standard at http://dwarfstd.org/doc/dwarf-2.0.0.pdf
|
| 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.
|
| pe |
Package pe implements access to PE (Microsoft Windows Portable Executable) files.
|
| plan9obj |
Package plan9obj implements access to Plan 9 a.out object files.
|
| embed |
Package embed provides access to files embedded in the running Go program.
|
| encoding |
Package encoding defines interfaces shared by other packages that convert data to and from byte-level and textual representations.
|
| ascii85 |
Package ascii85 implements the ascii85 data encoding as used in the btoa tool and Adobe's PostScript and PDF document formats.
|
| asn1 |
Package asn1 implements parsing of DER-encoded ASN.1 data structures, as defined in ITU-T Rec X.690.
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| base32 |
Package base32 implements base32 encoding as specified by RFC 4648.
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| base64 |
Package base64 implements base64 encoding as specified by RFC 4648.
|
| binary |
Package binary implements simple translation between numbers and byte sequences and encoding and decoding of varints.
|
| csv |
Package csv reads and writes comma-separated values (CSV) files.
|
| gob |
Package gob manages streams of gobs - binary values exchanged between an Encoder (transmitter) and a Decoder (receiver).
|
| hex |
Package hex implements hexadecimal encoding and decoding.
|
| json |
Package json implements encoding and decoding of JSON as defined in RFC 7159.
|
| pem |
Package pem implements the PEM data encoding, which originated in Privacy Enhanced Mail.
|
| xml |
Package xml implements a simple XML 1.0 parser that understands XML name spaces.
|
| errors |
Package errors implements functions to manipulate errors.
|
| 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 gathers information about Go packages.
|
| constraint |
Package constraint implements parsing and evaluation of build constraint lines.
|
| constant |
Package constant implements Values representing untyped Go constants and their corresponding operations.
|
| doc |
Package doc extracts source code documentation from a Go AST.
|
| format |
Package format implements standard formatting of Go source.
|
| importer |
Package importer provides access to export data importers.
|
| parser |
Package parser implements a parser for Go source files.
|
| printer |
Package printer implements printing of AST nodes.
|
| 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).
|
| types |
Package types declares the data types and implements the algorithms for type-checking of Go packages.
|
| 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.
|
| maphash |
Package maphash provides hash functions on byte sequences.
|
| html |
Package html provides functions for escaping and unescaping HTML text.
|
| template |
Package template (html/template) implements data-driven templates for generating HTML output safe against code injection.
|
| image |
Package image implements a basic 2-D image library.
|
| color |
Package color implements a basic color library.
|
| palette |
Package palette provides standard color palettes.
|
| draw |
Package draw provides image composition functions.
|
| gif |
Package gif implements a GIF image decoder and encoder.
|
| jpeg |
Package jpeg implements a JPEG image decoder and encoder.
|
| png |
Package png implements a PNG image decoder and encoder.
|
| 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.
|
| fs |
Package fs defines basic interfaces to a file system.
|
| ioutil |
Package ioutil implements some I/O utility functions.
|
| log |
Package log implements a simple logging package.
|
| syslog |
Package syslog provides a simple interface to the system log service.
|
| math |
Package math provides basic constants and mathematical functions.
|
| big |
Package big implements arbitrary-precision arithmetic (big numbers).
|
| bits |
Package bits implements bit counting and manipulation functions for the predeclared unsigned integer types.
|
| cmplx |
Package cmplx provides basic constants and mathematical functions for complex numbers.
|
| rand |
Package rand implements pseudo-random number generators unsuitable for security-sensitive work.
|
| mime |
Package mime implements parts of the MIME spec.
|
| multipart |
Package multipart implements MIME multipart parsing, as defined in RFC 2046.
|
| quotedprintable |
Package quotedprintable implements quoted-printable encoding as specified by RFC 2045.
|
| net |
Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets.
|
| http |
Package http provides HTTP client and server implementations.
|
| cgi |
Package cgi implements CGI (Common Gateway Interface) as specified in RFC 3875.
|
| cookiejar |
Package cookiejar implements an in-memory RFC 6265-compliant http.CookieJar.
|
| fcgi |
Package fcgi implements the FastCGI protocol.
|
| httptest |
Package httptest provides utilities for HTTP testing.
|
| httptrace |
Package httptrace provides mechanisms to trace the events within HTTP client requests.
|
| httputil |
Package httputil provides HTTP utility functions, complementing the more common ones in the net/http package.
|
| pprof |
Package pprof serves via its HTTP server runtime profiling data in the format expected by the pprof visualization tool.
|
| mail |
Package mail implements parsing of mail messages.
|
| 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 1.0 ClientCodec and ServerCodec for the rpc package.
|
| smtp |
Package smtp implements the Simple Mail Transfer Protocol as defined in RFC 5321.
|
| textproto |
Package textproto implements generic support for text-based request/response protocols in the style of HTTP, NNTP, and SMTP.
|
| url |
Package url parses URLs and implements query escaping.
|
| os |
Package os provides a platform-independent interface to operating system functionality.
|
| exec |
Package exec runs external commands.
|
| signal |
Package signal implements access to incoming signals.
|
| user |
Package user allows user account lookups by name or id.
|
| path |
Package path implements utility routines for manipulating slash-separated paths.
|
| filepath |
Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths.
|
| plugin |
Package plugin implements loading and symbol resolution of Go plugins.
|
| reflect |
Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types.
|
| regexp |
Package regexp implements regular expression search.
|
| syntax |
Package syntax parses regular expressions into parse trees and compiles parse trees into programs.
|
| 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.
|
| metrics |
Package metrics provides a stable interface to access implementation-defined metrics exported by the Go runtime.
|
| msan |
|
| pprof |
Package pprof writes runtime profiling data in the format expected by the pprof visualization tool.
|
| race |
Package race implements data race detection logic.
|
| trace |
Package trace contains facilities for programs to generate traces for the Go execution tracer.
|
| 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 UTF-8 encoded strings.
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| 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.
|
| js |
|
| testing |
Package testing provides support for automated testing of Go packages.
|
| fstest |
Package fstest implements support for testing implementations and users of file systems.
|
| iotest |
Package iotest implements Readers and Writers useful mainly for testing.
|
| quick |
Package quick implements utility functions to help with black box testing.
|
| text |
|
| scanner |
Package scanner provides a scanner and tokenizer for UTF-8-encoded text.
|
| 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.
|
| parse |
Package parse builds parse trees for templates as defined by text/template and html/template.
|
| time |
Package time provides functionality for measuring and displaying time.
|
| tzdata |
Package tzdata provides an embedded copy of the timezone database.
|
| unicode |
Package unicode provides data and functions to test some properties of Unicode code points.
|
| 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.
|
| unsafe |
Package unsafe contains operations that step around the type safety of Go programs.
|