Anonymous user
Create an object/Native demonstration: Difference between revisions
→{{header|Ruby}}: {{works with|Ruby|1.9}} for KeyError
(→{{header|Ruby}}: Replace my three-year-old attempt with a simpler version. Remove confusing default_proc feature. Throw out old tests. Forget Ruby older than 1.9.) |
(→{{header|Ruby}}: {{works with|Ruby|1.9}} for KeyError) |
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=={{header|Ruby}}==
{{works with|Ruby|1.9}}
<lang ruby># A FencedHash acts like a Hash, but with a fence around its keys.
# One may change its values, but not its keys. Any attempt to insert
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