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Unused type parameter

Reports unused type parameters.

func main() { printAll( 42, "bird", ) } func printAll[I int, S string]( i I, s string, ) { fmt.Println(i) fmt.Println(s) }

The printAll function has two type parameters I and S but uses only the first of them. Therefore, the S string is grayed out.

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.

GoUnusedTypeParameter
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 | Go | Declaration redundancy

Availability

By default bundled with

GoLand 2024.1, Qodana for Go 2024.1,

Can be installed with plugin

Go, 241.SNAPSHOT

Last modified: 18 June 2024