Posix tests (require -std=c++17)

Author: TurkeyMan

test/stdcpp/Makefile

@@ -12,7 +12,7 @@ all:
 clean:
 
 else
-all: $(addprefix $(ROOT)/,$(addsuffix .done,$(TESTS)))
+all: $(addprefix $(ROOT)/,$(addsuffix .done,$(TESTS))) $(ROOT)/string_view
 
 $(ROOT)/%.done : $(ROOT)/%
 	@echo Testing $*
@@ -24,6 +24,11 @@ $(ROOT)/%: $(SRC)/%_test.d $(SRC)/%.cpp
 	$(QUIET)$(CXX) $(CXXFLAGS) -c -o $(ROOT)/$*_cpp.o $(SRC)/$*.cpp
 	$(QUIET)$(DMD) $(DFLAGS) -main -unittest -of$@ $< $(ROOT)/$*_cpp.o
 
+$(ROOT)/string_view: $(SRC)/string_view_test.d $(SRC)/string_view.cpp
+	mkdir -p $(dir $@)
+	$(QUIET)$(CXX) $(CXXFLAGS) -std=c++17 -c -o $(ROOT)/string_view_cpp.o $(SRC)/string_view.cpp
+	$(QUIET)$(DMD) $(DFLAGS) -main -unittest -of$@ $< $(ROOT)/string_view_cpp.o
+
 clean:
 	rm -rf $(GENERATED)
 endif