func ToTitle(r rune) rune

// Golang程序演示如何映射Rune到Title Case
package main
import (
  "fmt"
  "unicode"
)
// 主函数
func main() {
  // 创建Rune
  rune_1 := 'g'
  rune_2 := 'e'
  rune_3 := 'E'
  rune_4 := 'k'
  // 使用ToTitle()函数将给定的Rune映射到Title Case
  fmt.Printf("Result 1: %c ", unicode.ToTitle(rune_1))
  fmt.Printf("\nResult 2: %c ", unicode.ToTitle(rune_2))
  fmt.Printf("\nResult 3: %c ", unicode.ToTitle(rune_3))
  fmt.Printf("\nResult 4: %c ", unicode.ToTitle(rune_4))
  fmt.Printf("\nResult 5: %c ", unicode.ToTitle('s'))
} 

Result 1: G 
Result 2: E 
Result 3: E 
Result 4: K 
Result 5: S 

// Golang程序演示如何映射Rune到Title Case
package main
import (
  "fmt"
  "unicode"
)
// 主函数
func main() {
  // 创建Rune
  rune_1 := 'r'
  rune_2 := 'U'
  rune_3 := 'n'
  rune_4 := 'E'
  // 使用ToTitle()函数将给定的Rune映射到Title Case
  fmt.Printf("Result 1: %c ", unicode.ToTitle(rune_1))
  fmt.Printf("\nResult 2: %c ", unicode.ToTitle(rune_2))
  fmt.Printf("\nResult 3: %c ", unicode.ToTitle(rune_3))
  fmt.Printf("\nResult 4: %c ", unicode.ToTitle(rune_4))    
} 

Result 1: R 
Result 2: U 
Result 3: N 
Result 4: E