[Issue 8236] New: Wrong error message in creating struct from vector operation
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Thu Jun 14 02:46:43 PDT 2012
http://d.puremagic.com/issues/show_bug.cgi?id=8236
Summary: Wrong error message in creating struct from vector
operation
Product: D
Version: D2
Platform: x86
OS/Version: Windows
Status: NEW
Keywords: diagnostic
Severity: minor
Priority: P2
Component: DMD
AssignedTo: nobody at puremagic.com
ReportedBy: bearophile_hugs at eml.cc
--- Comment #0 from bearophile_hugs at eml.cc 2012-06-14 02:48:54 PDT ---
struct Foo {
int[2] v;
Foo halve() {
return Foo(v[] / 2);
}
}
enum f = Foo([10, 20]).halve();
void main() {}
I think the given error message is wrong because I think there is no need for
an implicit conversion to int (dmd 2.060alpha):
test.d(4): Error: cannot implicitly convert expression (this.v[] / 2) of type
int[] to int
test.d(7): called from here: Foo([10,20]).halve()
(Also, the code that implements the vector operations needs a CTFE guard that
disallows the ASM, unless the compiler just sets/assumes to be always false the
availability of asm at compile-time).
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