Turn GC allocated string into a scoped heap allocation
Steven Schveighoffer
schveiguy at gmail.com
Thu Dec 13 13:46:47 UTC 2018
On 12/13/18 4:38 AM, Per Nordlöw wrote:
> How do I turn the GC-allocation in toLower() to a scoped heap allocation
> together with toLowerInPlace() in
>
> void f(const scope const(char)[] expr)
> {
> import std.uni : toLower;
> loweredExpr = toLower(expr); // temporary
> // use loweredExpr as key in hash table
> }
>
> when `loweredExpr` is used as a temporary inside `f`?
If you use loweredExpr as a key in a builtin AA, then you need to make
it a heap allocation, because the GC cleans up AAs.
-Steve
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