Swift Tutorial - Tutorialspoint

Best Usage Practices of Structures

Swift language provides the functionality to define structures as custom data types for
building the function blocks. The instances of structure are passed by its value to the
defined blocks for further manipulations.

Need for having structures

 To encapsulate simple data values.

 To copy the encapsulated data and its associated properties by 'values' rather than

by 'references'.

 Structure to 'Copy' and 'Reference'.

Structures in swift pass their members with their values rather than by its references.

struct markStruct{

var mark1: Int

var mark2: Int

var mark3: Int

init(mark1: Int, mark2: Int, mark3: Int){

self.mark1 = mark1

self.mark2 = mark2

self.mark3 = mark3

}

}

var marks = markStruct(mark1: 98 , mark2: 96 , mark3: 100 )

println(marks.mark1)

println(marks.mark2)

println(marks.mark3)

When we run the above program using playground, we get the following result:

98

96

100