Structs in Golang

Harendra answered on January 12, 2021 Popularity 9/10 Helpfulness 2/10

answer Structs in Golang

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Structs in Golang

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type person struct {
  name string
  age int
  gender string
}

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Contributed on Jul 06 2022

Harendra

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go structs

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// A struct is a type. It's also a collection of fields

// Declaration
type Vertex struct {
    X, Y int
}

// Creating
var v = Vertex{1, 2}
var v = Vertex{X: 1, Y: 2} // Creates a struct by defining values with keys
var v = []Vertex{{1,2},{5,2},{5,5}} // Initialize a slice of structs

// Accessing members
v.X = 4

// You can declare methods on structs. The struct you want to declare the
// method on (the receiving type) comes between the the func keyword and
// the method name. The struct is copied on each method call(!)
func (v Vertex) Abs() float64 {
    return math.Sqrt(v.X*v.X + v.Y*v.Y)
}

// Call method
v.Abs()

// For mutating methods, you need to use a pointer (see below) to the Struct
// as the type. With this, the struct value is not copied for the method call.
func (v *Vertex) add(n float64) {
    v.X += n
    v.Y += n
}

Popularity 10/10 Helpfulness 3/10 Language go

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Contributed on Jan 12 2021

Lorenzo Satta Chiris

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what is struct in golang

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A structure or struct in Golang is a user-defined type that allows to group/combine items of possibly different types into a single type. Any real-world entity which has some set of properties/fields can be represented as a struct.

Popularity 10/10 Helpfulness 2/10 Language go

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Tags: go g

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Contributed on Jun 14 2022

Harendra

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Structs in Golang

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Structs in Golang

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go structs

what is struct in golang

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