Interpreter: Add "in" and "not in" operators

Closes: #3600

1 files changed, 1 insertions, 8 deletions

diff --git a/mesonbuild/interpreter.py b/mesonbuild/interpreter.py
index c05b92a..2e4faa1 100644
--- a/mesonbuild/interpreter.py
+++ b/mesonbuild/interpreter.py
@@ -29,6 +29,7 @@ from .interpreterbase import check_stringlist, flatten, noPosargs, noKwargs, str
 from .interpreterbase import InterpreterException, InvalidArguments, InvalidCode, SubdirDoneRequest
 from .interpreterbase import InterpreterObject, MutableInterpreterObject, Disabler
 from .interpreterbase import FeatureNew, FeatureDeprecated, FeatureNewKwargs
+from .interpreterbase import ObjectHolder
 from .modules import ModuleReturnValue
 
 import os, shutil, uuid
@@ -57,14 +58,6 @@ def stringifyUserArguments(args):
     raise InvalidArguments('Function accepts only strings, integers, lists and lists thereof.')
 
 
-class ObjectHolder:
-    def __init__(self, obj, subproject=None):
-        self.held_object = obj
-        self.subproject = subproject
-
-    def __repr__(self):
-        return '<Holder: {!r}>'.format(self.held_object)
-
 class FeatureOptionHolder(InterpreterObject, ObjectHolder):
     def __init__(self, env, option):
         InterpreterObject.__init__(self)