ios - Declaring function usable throughout project -


i new swift , trying figure out how add function usable throughout entire project. simple function like

func globalfunction() {     println("global function!") }

then able call function on swift file within project. declare function?

its in programming language - declaring function outside class, like:

class {    var a:int    // can call global function here } class b {   var b:int   // , here }  func flobalfunction() {    println("hello, global function!") }

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