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soudegesu / elixir-test

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Hellow worldする #1

Closed soudegesu closed 6 years ago

soudegesu commented 6 years ago

Hello Worldできるようにする

soudegesu commented 6 years ago

まずはインストール

brew install elixir
soudegesu commented 6 years ago 
elixir --version

Erlang/OTP 21 [erts-10.0.1] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:1] [hipe] [dtrace]

Elixir 1.6.6 (compiled with OTP 20)
soudegesu commented 6 years ago

Erlang/OTP 21 って何よ

soudegesu commented 6 years ago

ここを見てみる https://gist.github.com/voluntas/7278561

soudegesu commented 6 years ago

iex でインタラクティブモード

soudegesu commented 6 years ago

数字はこれ

iex(1)> 40 + 2
42
soudegesu commented 6 years ago

文字列結合は <> 

iex(3)> "Hello" <> "World"
"HelloWorld"
soudegesu commented 6 years ago

なんだ :ok って

iex(4)> IO.puts "Hello World"
Hello World
:ok
soudegesu commented 6 years ago

これは後で触れるぽいから一旦終了する