here-we-go
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Contains hundreds of samples for learning Go.
Get Started
- introduction
- installation
Basics
- hello
- scopes
-
imports
- simple
- multiple
- alias
- lifecycle
-
comments
- simple
- multiline
- documentation
- semicolons
-
variables
- data-types
- declarations
- conversions
-
constants
- declarations
- iota
-
operators
- arithmetic
- relational
- logical
- bitwise
- assignment
- pointers
-
strings
- simple
- concat
- len
-
ifelse
- simple
- logical
- nested
- short
-
switch
- simple
- multiple
- expression
- fallthrough
- short
-
loop
- simple
- break
- continue
- range
- goto
-
arrays
- simple
- equality
- assign
- multi
- key
-
slices
- simple
- append
- expression
- make
- copy
-
maps
- simple
- delete
- for
-
structs
- simple
- equality
- embedding
-
interfaces
- simple
- conversion
- complex
-
functions
- simple
- params
- values
- nested
- closure
- return
-
pointers
- simple
- func
-
errors
- simple
- func
- custom
-
generics
- simple
- comparable
- constraints
- underlying
- func
- receiver
- reflect
- assertion
Concurrency
- goroutines
- channels
- racecond
- wait
- atomic
- context
Testing
- simple
- cases
- sub
- bench
- example
Modules
- simple
- internal
- external
- third-party
Libraries
-
standard
-
fmt
- scan
- error
- stringer
-
strings
- check
- info
- conversion
- builder
- replacer
- strconv
- errors
- time
-
path
- path
- filepath
- regexp
- reflect
-
bytes
- check
- info
- conversion
- buffer
-
encoding
- json
- base64
- xml
- hex
- html
- image
-
io
- io
- ioutil
- fs
- bufio
- hash
-
crypto
- md5
- sha256
-
archive
- zip
- tar
-
net
- net
- http
- smtp
- url
-
os
- os
- exec
- signal
- user
- runtime
- sort
-
sync
- sync
- atomic
-
math
- math
- rand
- big
- bits
- cmplx
- log
-
text
- scanner
- tabwriter
- template
- mime
-
compress
- gzip
- database
- context
- flag
-
container
- list
- ring
- heap
- unicode
-
go
- constant
- parser
- scanner
- doc
- embed
-
fmt
-
config
- viper
- koanf
- env
-
map
- mapstructure
- cast
-
validation
- govalidator
- validator
-
web
- echo
- gin
- fiber
- iris
- mux
- websocket
- swag
- redoc
-
log
- logrus
- zap
- zerolog
-
serialization
- jsoniter
- gjson
- msgpack
-
worker
- gocron
- gocron
- jobrunner
- cron
- machinery
- work
- asynq
-
error-handling
- errors
- go-multierror
- tracerr
- errorx
- errlog
-
messaging
- amqp
- kafka-go
- confluent
- redis
- zeromq
- sarama
- emitter
- eventbus
- go-socket.io
- melody
-
caching
- bigcache
- go-cache
- ristretto
- remember-go
- freecache
- redis
- gomemcache
- gocache
- fastcache
- groupcache
-
database
-
internal
- badger
- bbolt
- goleveldb
- buntdb
- nutsdb
- diskv
- column
-
migration
- migrate
- sql-migrate
- goose
- pop
- gormigrate
-
driver
- pq
- pgx
- go-mssqldb
- go-sqlite3
- mongo-go-driver
- redis
- elastic
- gocql
- gocb
- rethinkdb-go
-
builder
- squirrel
- goqu
- gendry
- greenleaf
-
orm
- gorm
- ent
- db
-
internal
-
auth
- go-guardian
- osin
- goth
- gorbac
- jwt
-
network
- fasthttp
- gnet
- gev
- redeo
- grab
- peerdiscovery
-
http-client
- resty
- heimdall
- sling
- gentleman
-
dependency
- wire
- fx
- dig
-
testing
- testify
- goconvey
- ginkgo
- go-sqlmock
- go-cmp
- httpexpect
- gock
- apitest
- gofakeit
-
cli
- cobra
- cli
- promptui
- go-flags
- tablewriter
- banner
-
other
- bleve
- backoff
- gobreaker
- retry-go
- fsnotify
- health
- stateless
- diff
- copystructure
- hashstructure
- uuid
- shortid
- litter
Design Patterns
-
creational
- singleton
- builder
- abstract-factory
- prototype
- factory-method
-
structural
- adapter
- decorator
- bridge
- proxy
- facade
- composite
- flyweight
-
behavioral
- chain-of-responsibility
- command
- interpreter
- iterator
- mediator
- memento
- observer
- state
- strategy
- template
- visitor
- specification
- null-object
Data Structures
- linked-list
- queue
- stack
- binary-tree
- trie
- graph
- set
- dictionary
- hash-table
Algorithms
-
search
- linear
- binary
- jump
- exponential
- interpolation
- ternary
-
sort
- bubble
- heap
- insertion
- quick
- merge
- selection
- shell
- radix
-
string
- upper
- lower
- capitalize
- split
- reverse
- search
- duplicate
- palindrome
- pangram
- anagram
-
other
- round-robin
- shortest-path
- rotate-matrix
- caesar-cipher
- knapsack
Architectures
- web
- cron
- producer
- consumer
- cli
- client