 Yukihiro "Matz" Matsumoto
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7eaaee5405
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Add a new gem: mruby-catch.
Implements `catch`/`throw` non-local jump inherited from Lisp.
`catch([tag]) {|tag| block } -> obj`
Example:
```
catch(:foo) { 123 } # => 123
catch(:foo) { throw(:foo, 456) } # => 456
catch(:foo) { throw(:foo) } # => nil
```
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2020-10-12 18:20:07 +09:00 |
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