41 lines
692 B
Go
41 lines
692 B
Go
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// Package instruction provides a model for representing dial instructions
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package instruction
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import "strconv"
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type Instruction interface {
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Direction() string
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Distance() int
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}
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type instruction struct {
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direction string
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distance int
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}
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func FromLine(line string) Instruction {
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dir := string(line[0])
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dist := line[1:]
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distAsInt, _ := strconv.Atoi(dist)
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return instruction{
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direction: dir,
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distance: distAsInt,
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}
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}
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func FromParts(direction string, distance int) Instruction {
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return instruction{
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direction: direction,
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distance: distance,
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}
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}
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func (i instruction) Direction() string {
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return i.direction
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}
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func (i instruction) Distance() int {
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return i.distance
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}
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