Go - Package (Import)

About

Package in Go.

Go treats files in a single directory as belonging to one package as long as they all have the same name in their package declarations.

Go code is organized into packages (similar to libraries or modules).

Package names are always in lower case.

Properties

Name

The first statement in a Go source file must be

package name

Go's convention is that the package name is the last element of the import path. See below.

Executable commands must always use package main.

Import Path (Package Id)

An import path is a string that uniquely identifies a package.

A package's import path corresponds to its location:

  • inside a workspace
  • or in a remote repository

The packages from the standard library are given short import paths such as “fmt” and “net/http”.

import (
	"fmt"
	"base-path/package-name/go-source-file"
)

The import statement tell the compiler what packages are needed by the source file.

Base Path

The base path is the root path of (custom|user) package (not standard library or other external libraries)

Description

By convention, each package is described in a comment immediately preceding its package declaration.

Management

Dependency Manager

Dependency manager

  • godep
  • glide
  • govendor
  • gopm
  • gb

Installation

go get base_path/package-name

where:

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