toString(string) function

aaf3d0d4ec127ece53798321d269965eba8dbdbd

test_data/expression_test_data/function_signatures_to_string.json

@@ -110,7 +110,8 @@
       ],
       "result_type": "string",
       "platforms": [
-        "ios"
+        "ios",
+        "web"
       ]
     },
     {

test_data/expression_test_data/functions_to_string.json

@@ -268,14 +268,15 @@
     {
       "name": "string to string => error",
       "expression": "@{toString('abc')}",
+      "deprecated": true,
+      "description": "toString(string) should be implmented",
       "expected": {
         "type": "error",
         "value": "Failed to evaluate [toString('abc')]. Function 'toString' has no matching override for given argument types: String."
       },
       "variables": [],
       "platforms": [
-        "android",
-        "web"
+        "android"
       ]
     },
     {
@@ -287,7 +288,8 @@
       },
       "variables": [],
       "platforms": [
-        "ios"
+        "ios",
+        "web"
       ]
     },
     {