https://d.puremagic.com/issues/show_bug.cgi?id=11658
Summary: implicit conversion of associative array literal to
(typesafe variadic) tuple array
Product: D
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: enhancement
Priority: P2
Component: DMD
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from Martin Nowak <[email protected]> 2013-12-01 10:25:34 PST ---
The point is to add an implicit conversion rule so that
associative array literals can efficiently be passed
to a function.
Similar to how array literals could be passed on the stack (see bug 11657),
the AA literal elements could be passed as tuples.
----
MyAA!(Key, Value) myAA(Key, Value)(AATuple!(Key, Value)[] elems...)
{
}
unittest
{
auto aa = myAA(["foo" : 0, "bar" : 1]);
}
----
It might be cleaner to generally allow the AA to array literal conversion.
----
AATuple!(string, int)[] ary = ["foo" : 0, "bar" : 1];
----
In lack of a standard tuple type we'd need to define a simple
struct AATuple(Key, Value) { Key key; Value value; }
in object.
NB:
This should only apply to literals.
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