Created
January 24, 2016 10:30
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Ruby throw - catch
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| # encoding: utf-8 | |
| def bar | |
| catch(:calc) do | |
| throw :calc , 100 | |
| end | |
| end | |
| p bar | |
| # => 100 |
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| e>ruby Code3-166.rb | |
| ruby Code3-166.rb | |
| 100 |
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throw に渡した第2引数 100 （値）をcatchの戻り値とできる。
どうやら値に限るらしい。