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【自己学習】Go言語を学ぶ(4)

Posted at

公式チュートリアルから基本を学ぶ
https://go-tour-jp.appspot.com/list

Basic types(基本型)

基本型についてまとめ

  • 論理値型
    bool ()

  • 文字列型
    string

  • 数値型

    • 符合付き整数型
      int int8 int16 int32 int64
    • 符合なし整数型
      uint uint8 uint16 uint32 uint64 uintptr
  • byte型
    byte // uint8 の別名

  • rune型(Unicodeの番号を10進数に変換したものを返す)
    rune // int32 の別名
    // Unicode のコードポイントを表す

  • 浮動小数点型
    float32 float64

  • 複素数型
    complex64 complex128

論理値型

サンプルコード

package main

import "fmt"

func main() {
  var b bool

  b = true
  b = false
  b = trie || false
  fmt.Println(b)
}

数値型

サンプルコード

package main

import "fmt"

func main() {
  var i int = 12345
  var i64 int64 = int64(i)

  fmt.Println(i64)
}

文字列型

サンプルコード

package main

import "fmt"

func main() {
  var str string
  str = "A"
  str = str + "B"
  str += "C"

  fmt.Println(str)
}
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