Better use of std::enable_if #692

	name: CI_iOS
	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:
	iOS:
	runs-on: macos-latest
	defaults:
	run:
	working-directory: build
	steps:
	- uses: actions/checkout@v4

	- name: Create build directory
	run: mkdir -p build
	working-directory: .

	- name: Configure
	run: \|
	cmake \
	-Werror=dev \
	-GXcode \
	-DCMAKE_SYSTEM_NAME=iOS \
	"-DCMAKE_OSX_ARCHITECTURES=arm64;x86_64" \
	-DCMAKE_OSX_DEPLOYMENT_TARGET=9 \
	-DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY \
	"-DMACOSX_BUNDLE_GUI_IDENTIFIER=GSL.\$(EXECUTABLE_NAME)" \
	-DMACOSX_BUNDLE_BUNDLE_VERSION=3.1.0 \
	-DMACOSX_BUNDLE_SHORT_VERSION_STRING=3.1.0 \
	..

	- name: Build
	run: cmake --build . --parallel `sysctl -n hw.ncpu` --config Release -- -sdk iphonesimulator

	- name: Start simulator
	run: \|
	RUNTIME=`xcrun simctl list runtimes iOS -j\|jq '.runtimes\|last.identifier'`
	UDID=`xcrun simctl list devices iPhone available -j\|jq -r ".devices[$RUNTIME]\|last.udid"`
	xcrun simctl bootstatus $UDID -b

	- name: Test
	run: \|
	for TEST in `find tests/Release-iphonesimulator -depth 1 -name "*.app"`
	do
	xcrun simctl install booted $TEST
	TEST_ID=`plutil -convert json -o - $TEST/Info.plist\|jq -r ".CFBundleIdentifier"`
	xcrun simctl launch --console booted $TEST_ID
	xcrun simctl uninstall booted $TEST_ID
	done

Provide feedback