Move disable_in_core!() -> enable_in_core!(false)

This reduces the number of functions by one.

Author: c42f

src/hooks.jl

@@ -66,17 +66,13 @@ flisp parser for all parsing work.
 
 That is, JuliaSyntax will be used for `include()` `Meta.parse()`, the REPL, etc.
 """
-function enable_in_core!()
-    # TODO: Use invoke_in_world to freeze the world age at the time this was enabled.
-    Base.eval(Core, :(_parse = $core_parser_hook))
-    nothing
-end
-
-"""
-Revert to the flisp parser for all parsing work.
-"""
-function disable_in_core!()
-    Base.eval(Core, :(_parse = Core.Compiler.fl_parse))
+function enable_in_core!(enable=true)
+    if enable
+        # TODO: Use invoke_in_world to freeze the world age at the time this was enabled.
+        Base.eval(Core, :(_parse = $core_parser_hook))
+    else
+        Base.eval(Core, :(_parse = Core.Compiler.fl_parse))
+    end
     nothing
 end
 

test/hooks.jl

@@ -12,5 +12,5 @@
     # Meta.ParseError when Core integration is enabled.
     @test_throws JuliaSyntax.ParseError Meta.parse("[x")
 
-    JuliaSyntax.disable_in_core!()
+    JuliaSyntax.enable_in_core!(false)
 end