Add phpstan conflict (#203)

Versions before 0.12.20 did not understand mixins. The next release may break phpstan for users if they use any of the `all*` or `nullOr*` methods.
webmozarts · Jun 11, 2020 · c06edbe · c06edbe
1 parent 11ff8f8
commit c06edbe
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/composer.json b/composer.json
@@ -21,7 +21,8 @@
         "phpunit/phpunit": "^4.8.36 || ^7.5.13"
     },
     "conflict": {
-        "vimeo/psalm": "<3.9.1"
+        "vimeo/psalm": "<3.9.1",
+        "phpstan/phpstan": "<0.12.20"
     },
     "autoload": {
         "psr-4": {