RFR: JDK-8299554: Remove EnableIf from metaprogramming/enableIf.hpp

Tue Jan 3 19:44:49 UTC 2023

On Tue, 3 Jan 2023 19:34:26 GMT, Justin King <jcking at openjdk.org> wrote:

> As the title says, remove `EnableIf` type alias from `metaprogramming/enableIf.hpp` leaving only `ENABLE_IF` and `ENABLE_IF_SDEFN`.

@kimbarrett Cleanup EnableIf, but leave ENABLE_IF and ENABLE_IF_SDEFN as discussed. Also switched to `std::enable_if_t`.

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PR: https://git.openjdk.org/jdk/pull/11835