function app.download (string[] links) is not callableusing argument types (string, string)

[Suliman via Digitalmars-d-learn]

Running .\txtdownloader.exe
std.stream.OpenException at std\stream.d(50): Cannot open or create 
file 'D:\Projec
t\2014\txt_downloader\img\1.foo'
----------------
0x0041BA59 in void std.stream.File.open(immutable(char)[], 
std.stream.FileMode)
0x00404B75 in void 
std.net.curl.download!(std.net.curl.AutoProtocol).download(co
nst(char)[], immutable(char)[], std.net.curl.AutoProtocol) at 
C:\DMD\dmd2\window
s\bin\..\..\src\phobos\std\net\curl.d(268)
0x00402038 in _Dmain
0x0041250C in void rt.dmain2._d_run_main(int, char**, extern (C) 
int function(ch
ar[][])*).runAll().void __lambda1()
0x004124DF in void rt.dmain2._d_run_main(int, char**, extern (C) 
int function(ch
ar[][])*).runAll()
0x004123F8 in _d_run_main
0x0040D268 in main
0x0045CF9D in mainCRTStartup
0x75C0336A in BaseThreadInitThunk
0x77679F72 in RtlInitializeExceptionChain
0x77679F45 in RtlInitializeExceptionChain
Error executing command run: Program exited with code 1