ruby is int
1.is_a? Integer
=> true
"[email protected]".is_a? Integer
=> false
nil.is_a? Integer
=> falseruby is int
1.is_a? Integer
=> true
"[email protected]".is_a? Integer
=> false
nil.is_a? Integer
=> falseruby test is number
12.is_a? NumericCopyright © 2021 Codeinu
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