yanzuoguang
c885af3672
- 新增 funcTypes1.go 文件，使用匿名函数实现计算器逻辑 - 修改 main.go 调用新增的 main1 和 main2 函数- 初始化 structs 模块的 go.mod 文件 - 恢复 structs/main.go 原始内容并保留调试提示注释
35 lines
648 B
Go
35 lines
648 B
Go
package main
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import "fmt"
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type calcFunc func(float64) float64
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func calcWithTax(price float64) float64 {
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return price + (price * 0.2)
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}
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func calcWithoutTax(price float64) float64 {
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return price
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}
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func printPrice(product string, price float64, calculator calcFunc) {
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fmt.Println("Product:", product, "Price:", calculator(price))
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}
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func selectCalculator(price float64) calcFunc {
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if price > 100 {
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return calcWithTax
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}
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return calcWithoutTax
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}
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func main1() {
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products := map[string]float64{
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"Kayak": 275,
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"LifeJacket": 48.95,
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}
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for product, price := range products {
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printPrice(product, price, selectCalculator(price))
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}
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}
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