strconv

Data
import "strconv"

Implements conversions to and from string representations of basic data types.

Example

package main

import (
    "fmt"
    "strconv"
)

func main() {
    i, _ := strconv.Atoi("42")
    s := strconv.Itoa(i * 2)
    f, _ := strconv.ParseFloat("3.14", 64)
    fmt.Println(i, s, f)
}

Key Types & Functions

AtoiItoaParseFloatParseIntFormatFloatFormatBool

About strconv

The strconv package (imported as strconv) belongs to the Data category of Go packages. Implements conversions to and from string representations of basic data types.

Go's standard library is one of the language's greatest strengths, providing production-ready implementations for networking, cryptography, encoding, I/O, and more. The strconv package follows Go's philosophy of simplicity and composability — small, focused packages that combine through interfaces like io.Reader and io.Writer.

When using strconv in production, follow Go best practices: handle errors explicitly, use context for cancellation and timeouts, prefer composition over inheritance, and write table-driven tests. The Go documentation at pkg.go.dev provides comprehensive API references and examples for every exported type and function.

Related Packages

fmtstringsmathencoding/json