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36 lines
612 B
Go
36 lines
612 B
Go
package main
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import "fmt"
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type img struct {
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raw []string
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}
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func newImg(sz int) img {
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return img{raw: make([]string, sz)}
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}
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// transposed rotates an image rightwards ninety degrees
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func (i img) transposed() []string {
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transposed := []string{}
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for x := 0; x < len(i.raw[0]); x++ {
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buf := ""
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for j := len(i.raw) - 1; j >= 0; j-- {
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buf += string(i.raw[j][x])
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}
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transposed = append(transposed, buf)
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}
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return transposed
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}
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// String implements the fmt.Stringer interface
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func (i img) String() string {
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out := ""
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for _, line := range i.raw {
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out += fmt.Sprintf("%s\n", line)
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}
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return out
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}
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