Incompatible 'in' argument types
Reports usages of membership operator in with items and containers of incompatible types.
Example:
def list = [1, 2]
if ("foo" in list) {} // list of Integers can't contain String
Locating this inspection
- By ID
Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.
GroovyInArgumentCheck- Via Settings dialog
Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.
Inspection ID: GroovyInArgumentCheck
Suppressing Inspection
You can suppress this inspection by placing the following comment marker before the code fragment where you no longer want messages from this inspection to appear:
//noinspection GroovyInArgumentCheck
More detailed instructions as well as other ways and options that you have can be found in the product documentation:
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Last modified: 03 December 2025