swift - How to append to ["foo" : "bar"] -


i have following in swift 1.2

let params = ["foo" : "bar"]

i add more params can end following after loop

["foo" : "bar", "foo2" : "bar3", "foo3" : "bar3"]

thanks.

you can't change params because defined constant. need define variable using var:

var params = ["foo" : "bar"] params["foo2"] = "bar2" params["foo3"] = "bar3"  println(params) // [foo3: bar3, foo2: bar2, foo: bar]"

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