Bug #9810 ยป 0001-Update-documentation-on-Numeric-step.patch
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*
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* n = (limit - num)/step
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*
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* If any of the arguments are strings, an ArgumentError or TypeError will be thrown. See the following examples to know when each error will be thrown.
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*
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* String as the last argument:
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* irb(main):001:0> 1.1.step(5.1, "1") {} #=> ArgumentError: comparison of String with 0 failed
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* String as the first argument:
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* irb(main):002:0> 1.1.step("5.1", 1) {} #=> TypeError: no implicit conversion to float from string
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*
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* Otherwise, the loop starts at +num+, uses either the less-than (<) or
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* greater-than (>) operator to compare the counter against +limit+, and
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* increments itself using the <code>+</code> operator.
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