github.com/graybobo/golang.org-package-offline-cache@v0.0.0-20200626051047-6608995c132f/x/talks/2015/go-for-java-programmers/interface.go (about)

     1  // +build OMIT
     2  
     3  package main
     4  
     5  import (
     6  	"bytes"
     7  	"fmt"
     8  )
     9  
    10  type Point struct {
    11  	X, Y int
    12  }
    13  
    14  type Rectangle struct {
    15  	Min, Max Point
    16  }
    17  
    18  func (r Rectangle) String() string {
    19  	var buf bytes.Buffer
    20  	for h := 0; h < r.Max.Y-r.Min.Y; h++ {
    21  		for w := 0; w < r.Max.X-r.Min.X; w++ {
    22  			buf.WriteString("#")
    23  		}
    24  		buf.WriteString("\n")
    25  	}
    26  	return buf.String()
    27  }
    28  
    29  func main() {
    30  	fmt.Println(Rectangle{Max: Point{20, 5}})
    31  }
    32  
    33  // EOF OMIT