[Linting Rule] Dead Code

Generated from 'wiki-linter.ts' on 2026-10-27, 10:46:55 UTC (v2.16.6), do not edit directly.

This rule is a best-effort rule.

Finds code that is never reached during execution.
This linting rule is implemented in src/linter/rules/dead-code.ts.

f <- function(x) {
	return(x)
	print("never reached")
}
if(TRUE) 1 else 2

The linting query can be used to run this rule on the above example:

[ { "type": "linter",   "rules": [ { "name": "dead-code",     "config": {} } ] } ]

Results (prettified and summarized):

Query: linter (4 ms)
   ╰ Dead Code (dead-code):
       ╰ certain:
           ╰ Code at 4.2-23 (1 quick fix(es) available)
           ╰ Code at 6.17 (1 quick fix(es) available)

More examples are the test cases in test/functionality/linter/lint-dead-code.test.ts.