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Dictionary

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Go Dictionary

Go Dictionary Index

[Setup] Go Development Environment	Steps to set up an environment for installing and running Go.
Variable Declaration / Short Declaration	When to use var versus := declarations.
Basic Data Types	Integers, floating-point numbers, strings, and booleans.
Constants / iota	Defining constants and auto-generating sequential values.
Arrays / Slices	Differences between fixed-length arrays and variable-length slices.
Map	An associative array managed as key-value pairs.
Pointers	A mechanism for directly manipulating memory addresses.
Type Conversion / Type Assertion	Converting a value to a different type.
Zero Values	The initial value automatically set at declaration time.
if / else	Basics of conditional branching.
for	The only loop syntax in Go.
switch	Multi-way branching and type switches.
defer	A mechanism for deferring execution until a function ends.
goto / Labels	Label jumps and loop labels.
Function Definition / Multiple Return Values	Basics of Go functions and returning multiple values.
Variadic Functions	A function that accepts a variable number of arguments.
Closures / Anonymous Functions	Treating functions as values and capturing outer variables.
init() / main()	Special functions for initialization and the execution entry point.
panic() / recover()	Raising and recovering from runtime errors.
struct	A data structure that groups multiple fields together.
Methods / Receivers	Defining functions associated with a type.
interface	A type that defines behavior.
Type Aliases / Custom Types	Defining a new type based on an existing type.
Generics	Writing generic code using type parameters.
error Type / errors Package	Standard error handling patterns in Go.
fmt.Errorf() / %w	Wrapping errors and chaining causes.
Custom Error Types	Creating custom errors by implementing the Error() method.
goroutine	Achieving concurrent processing with lightweight threads.
channel	A mechanism for passing data between goroutines.
select	Waiting on multiple channels simultaneously.
sync.WaitGroup	A mechanism for waiting for goroutines to complete.
sync.Mutex / RWMutex	Exclusive access to shared resources.
fmt.Println() / Print() / Printf()	Writing to standard output.
fmt.Sprintf() / Fprintf()	String formatting and writing to a writer.
fmt.Scan() / Scanf() / Scanln()	Reading from standard input.
Format Verbs	A list of format verbs such as %v, %T, and %d.
strings.Contains() / HasPrefix() / HasSuffix()	Searching and checking strings.
strings.Split() / Join() / Replace()	Splitting, joining, and replacing strings.
strings.ToUpper() / ToLower() / TrimSpace()	Converting case and trimming strings.
strconv.Atoi() / Itoa() / ParseFloat()	Converting between strings and numbers.
os.Open() / Create() / Remove()	Opening, creating, and deleting files.
os.ReadFile() / WriteFile()	Reading and writing files all at once.
os.Args / os.Getenv()	Getting command-line arguments and environment variables.
io.Reader / Writer / bufio	I/O interfaces and buffering.
http.Get() / Post()	Sending requests with an HTTP client.
http.ListenAndServe()	Starting an HTTP server.
http.Request / ResponseWriter	Manipulating requests and responses.
http.ServeMux	URL routing mechanism.
json.Marshal() / Unmarshal()	Converting between Go and JSON.
json.Encoder / Decoder	Reading and writing JSON as a stream.
JSON Tags / omitempty	JSON field names and options for struct fields.
time.Now() / Sleep() / Format()	Getting the time, sleeping, and formatting.
math Package	Basic mathematical functions.
math/rand Package	Generating random numbers.
sort Package	Sorting slices.
regexp Package	Pattern matching with regular expressions.
Packages / import	Defining and importing packages.
Go Modules	Dependency management tool.
go build / run / test	Commonly used Go commands.

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