Created
March 15, 2022 18:20
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| package main | |
| import "fmt" | |
| // Builder | |
| type Computer struct { | |
| CPU string | |
| RAM int | |
| MB string | |
| } | |
| type ComputerBuilderI interface { | |
| CPU(val string) ComputerBuilderI | |
| RAM(val int) ComputerBuilderI | |
| MB(val string) ComputerBuilderI | |
| Build() Computer | |
| } | |
| type computerBuilder struct { | |
| cpu string | |
| ram int | |
| mb string | |
| } | |
| func NewComputerBuilder() ComputerBuilderI { | |
| return computerBuilder{} | |
| } | |
| func (b computerBuilder) CPU(val string) ComputerBuilderI { | |
| b.cpu = val | |
| return b | |
| } | |
| func (b computerBuilder) RAM(val int) ComputerBuilderI { | |
| b.ram = val | |
| return b | |
| } | |
| func (b computerBuilder) MB(val string) ComputerBuilderI { | |
| b.mb = val | |
| return b | |
| } | |
| func (b computerBuilder) Build() Computer { | |
| return Computer{ | |
| CPU: b.cpu, | |
| RAM: b.ram, | |
| MB: b.mb, | |
| } | |
| } | |
| func main() { | |
| computerBuilder := NewComputerBuilder() | |
| computer := computerBuilder.CPU("core i3").RAM(8).MB("gigabyte").Build() | |
| fmt.Println(computer) | |
| officeCompBuilder := NewOfficeComputerBuilder() | |
| officeComputer := officeCompBuilder.Build() | |
| fmt.Println(officeComputer) | |
| } | |
| type officeCompBuilder struct { | |
| computerBuilder | |
| } | |
| func NewOfficeComputerBuilder() ComputerBuilderI { | |
| return officeCompBuilder{} | |
| } | |
| func (b officeCompBuilder) Build() Computer { | |
| return Computer{ | |
| CPU: "intel pentium III", | |
| RAM: 2, | |
| MB: "asrock", | |
| } | |
| } |
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