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Start your free trialJoshua Goss
5,714 PointsHow to use has_key within an if statement?
Not sure what I am missing here. It's a syntax error; unexpected '=', expecting ';''
hash = { "name" => "Bread", "quantity" => 1, "calories" => 100 }
if hash.key?("calories") {
def food = true
}
2 Answers
Steven Parker
231,236 PointsYou don't need an "if" here, and "food" doesn't need a "def". It is a variable just like hash
is, with a value of true if "calories" is found and false otherwise. Since hash.has_key?("calories")
returns true or false based on if "calories" is found, the result can be directly assigned to food:
food = hash.has_key?("calories")
Joshua Goss
5,714 PointsOhhh okay, thank you! I understand, since .has_key is going to resolve to true, food will be defined as such.