I've got the following problem: I've written my first Swift App (for iOS7) and it worked fine. After changing some minor detail (adding a string somewhere) it wouldn't compile anymore, even if I changed everything back how it was before.
There is no error message or anything like it, it says that it's building the project (Compiling Swift Source Files) but it's not progressing at all, even after hours of "building".
I've tried it with Xcode 6 b1 and b2 and with both it's the same: all the other projects are compiling without any problems, this one get's stuck.
Does anyone have a clue what might be the problem and how to solve it?
Debug the code manually works for me.
Finally I find the root cause of my problem is too many string concatenation in one line.
Bug code:
var string = string1 + string2 + string3 + string4 + string5 + string6 + string7 + string8
Fixed code:
var string = string1
string += string2
string += string3
string += string4
string += string5
string += string6
string += string7
string += string8
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