xcode - What is the usage of `podspec` command in Podfile? -

xcode - What is the usage of `podspec` command in Podfile? -

there command podspec in podfile (documentation)

example link:

podspec podspec :name => 'quickdialog' podspec :path => '/documents/prettykit/prettykit.podspec'

what mean? illustration of project construction utilize podfile appreciated

xcode cocoapods