proc finalizeGA() {.importc: "GA_Terminate", header: "ga.h", ...raises: [],
                    tags: [], forbids: [].}

proc initGA() {.importc: "GA_Initialize", header: "ga.h", ...raises: [], tags: [],
                forbids: [].}

proc initGA(argc: ptr cint; argv: ptr cstringArray) {.
    importc: "GA_Initialize_args", header: "ga.h", ...raises: [], tags: [],
    forbids: [].}

template GlobalArrays(body: untyped): untyped