podhmo

package main

import (
	"encoding/json"
	"fmt"
	"log"
	"os"

	"github.com/podhmo/gengen/enum"
	"github.com/podhmo/gengen/enum/internal/sandbox"

podhmo

package main

import (
	"fmt"
	"io/fs"
	"log"
	"os"
	"strings"
)

podhmo

package main

import (
	"fmt"
	"go/ast"
	"go/parser"
	"go/printer"
	"go/token"
	"log"
	"os"

podhmo

goでいつ何を使うか？

• global変数とinit()

  • toolやmiddlewareでは活躍。それ以外では避けるべき。micro serviceを徹底していた場合にはsmall web applicationでも大丈夫かもしれない。
  • 環境変数等によって処理をちょっとだけ分岐したり、デフォルト値を変更したり程度はできる
  • 大きめのapplicationでは必ず負債になる

• 高階関数

podhmo

// Place your key bindings in this file to override the defaultsauto[]
[
    {
        "key": "ctrl+x shift+l",
        "command": "emacs-mcx.transformToLowercase",
        "when": "editorTextFocus && !editorReadonly"
    },
    {
        "key": "ctrl+x ctrl+l",
        "command": "-emacs-mcx.transformToLowercase",

podhmo

# Configuration for Alacritty, the GPU enhanced terminal emulator.

# Any items in the `env` entry below will be added as
# environment variables. Some entries may override variables
# set by alacritty itself.
#env:
  # TERM variable
  #
  # This value is used to set the `$TERM` environment variable for
  # each instance of Alacritty. If it is not present, alacritty will

podhmo

podhmo

hello world

hai

podhmo

hello world

hai

podhmo

hello world

hai