Implement `in` operator on string

1 files changed, 12 insertions, 0 deletions

diff --git a/mesonbuild/interpreter/primitives/string.py b/mesonbuild/interpreter/primitives/string.py
index 0c635a2..d8133c1 100644
--- a/mesonbuild/interpreter/primitives/string.py
+++ b/mesonbuild/interpreter/primitives/string.py
@@ -64,6 +64,8 @@ class StringHolder(ObjectHolder[str]):
         self.operators.update({
             MesonOperator.DIV: self.op_div,
             MesonOperator.INDEX: self.op_index,
+            MesonOperator.IN: self.op_in,
+            MesonOperator.NOT_IN: self.op_notin,
         })
 
     def display_name(self) -> str:
@@ -173,6 +175,16 @@ class StringHolder(ObjectHolder[str]):
         except IndexError:
             raise InvalidArguments(f'Index {other} out of bounds of string of size {len(self.held_object)}.')
 
+    @FeatureNew('"in" string operator', '0.64.0')
+    @typed_operator(MesonOperator.IN, str)
+    def op_in(self, other: str) -> bool:
+        return other in self.held_object
+
+    @FeatureNew('"not in" string operator', '0.64.0')
+    @typed_operator(MesonOperator.NOT_IN, str)
+    def op_notin(self, other: str) -> bool:
+        return other not in self.held_object
+
 
 class MesonVersionString(str):
     pass