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Mismatched argument type

Reports method and yield calls with arguments whose inferred types don't match the parameter's expected type. The expected parameter type is taken from either of:

  • The RBS type signature

  • The Sorbet type signature

  • The YARD @param tag


# @param [Integer] param def method(param) end method([1, 2])

Locating this inspection


Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

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.

Settings or Preferences | Editor | Inspections | Ruby | Probable bugs

Inspection options

Here you can find the description of settings available for the Mismatched argument type inspection, and the reference of their default values.

Check nilability

Default: Selected


By default bundled with

Qodana for Ruby 2024.1, RubyMine 2024.1,

Can be installed with plugin

Ruby, 241.SNAPSHOT

Last modified: 18 June 2024