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Retrieving Keys : Hash Keys « Hash « Ruby
Ruby
Hash
Hash Keys
Retrieving Keys
x = {
"a"
=> 1,
"b"
=> 2,
"c"
=> 3 } puts x.keys.inspect
Related examples in the same category
1.
Return an array containing all the keys in a hash with keys:
2.
Extract data from the hash by using its keys.
3.
Use number as hash key
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RuntimeError: hash modified during iteration
6.
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Time value key
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9.
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