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Jaap Groeneveld - Golang Naming and Structure

How to name things in golang and how to structure an application.

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GoNamingandStructure
JaapGroeneveld-jGroeneveld.de
Agenda
AverybriefintroductiontoGo
NamingConventions
ApplicationStructure
Literature
2
Averybriefintroduction
Goisaminimallanguage
Goisacompiledlanguage
Gohasadedicatedconcurrencyconcept
(Goroutines,channels,select)
Goisnotobjectoriented
Godoesnotuseexceptionsforerrors
3
Naming-Variables
UsecamelCasenotsnake_case
Singlelettervariablesforindexes for i:=0; i < 10; i++ {}
Shortanddescriptivenames
var count int
var customer Customer
Usethescopeofthevariableasyourguide.Thefartherawayfromdeclarationyou
useit,thelongerandclearerthenameshouldbe
4
Abbreviations
Repeatedlettersforcollections var tt []*Thing (prefer things whenscopeis
bigger)
Singleletterinsideloop for i, t := range tt {} (preferthingwhenscopeis
bigger)
Commonabbreviationsareused decodeJSON , customer.ID
Someabbrevationsarecommonthroughoutgocode
r *http.Request , w io.Writer , w http.ResponseWriter , err error , ...
5
Naming-Interfaces
Nameoftheinterfaceshoulddescribeitsfunctionality
CustomerStore
Ifinterfacehasonlyonefunction,append"-er"
type Stringer interface{
String() string
}
6

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Jaap Groeneveld - Golang Naming and Structure