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Add description about edge cases of Enumerable#size

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[Bug #21152]
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NARUSE, Yui 2025-04-16 16:54:33 +09:00
parent 8d21f666b8
commit bbf873521a
1 changed files with 13 additions and 0 deletions
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enum.c
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@ -5107,6 +5107,19 @@ enum_compact(VALUE obj)
* For some methods, though, the usage would not make sense, * For some methods, though, the usage would not make sense,
* and so it is not shown. Example: #tally would find exactly one of each Hash entry. * and so it is not shown. Example: #tally would find exactly one of each Hash entry.
* *
* == Extended Methods
*
* A Enumerable class may define extended methods. This section describes the standard
* behavior of extension methods for reference purposes.
*
* === #size
*
* Returns the size of elements. The size is defined as the number of iterations
* the #each method would perform over the elements.
* If #each method won't finish and its elements are Numeric, the size is +Infinite+.
* If #each method won't finish and its elements are not Numeric, the size is +nil+.
* If #each method don't work fine, raise TypeError.
*
*/ */
void void