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Li-Bot/performance_filter.swift Secret

Last active Mar 11, 2020
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// Swift
let colds = fahrenheit.filter { (degreesFahrenheit) -> Bool in
return degreesFahrenheit <= 68.0
// For-in loop
var colds = [Double]()
for degreesFahrenheit in fahrenheit {
if degreesFahrenheit <= 68.0 {
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