Go’s structs are typed collections of fields.
They’re useful for grouping data together to form
records.
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This person struct type has name and age fields.
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type person struct {
name string
age int
}
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This syntax creates a new struct.
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fmt.Println(person{"Bob", 20})
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You can name the fields when initializing a struct.
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fmt.Println(person{name: "Alice", age: 30})
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Omitted fields will be zero-valued.
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fmt.Println(person{name: "Fred"})
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An & prefix yields a pointer to the struct.
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fmt.Println(&person{name: "Ann", age: 40})
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Access struct fields with a dot.
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s := person{name: "Sean", age: 50}
fmt.Println(s.name)
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You can also use dots with struct pointers - the
pointers are automatically dereferenced.
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sp := &s
fmt.Println(sp.age)
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Structs are mutable.
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sp.age = 51
fmt.Println(sp.age)
}
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