[Issue 6265] New: Pure-inference doesn't apply with template alias parameter of function

d-bugmail at puremagic.com d-bugmail at puremagic.com
Thu Jul 7 10:29:47 PDT 2011


http://d.puremagic.com/issues/show_bug.cgi?id=6265

           Summary: Pure-inference doesn't apply with template alias
                    parameter of function
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Mac OS X
            Status: NEW
          Keywords: rejects-valid
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: kennytm at gmail.com


--- Comment #0 from kennytm at gmail.com 2011-07-07 10:24:42 PDT ---
Test case:

----------------------
pure int h() {
    return 1;
}
int f(alias g)() {
    return g();
}
pure int i() {
    return f!h();
}
----------------------
x.d(8): Error: pure function 'i' cannot call impure function 'f'
----------------------

The instantiation f!h should be detected as pure, but currently DMD on git
master fails to do so.

nothrow and @safe are correctly inferred.

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