vtcode 0.136.3

A Rust-based terminal coding agent with modular architecture supporting multiple LLM providers
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id: no-nullable-boolean
language: Kotlin
severity: hint
message: Avoid `Boolean?`; use `Boolean` with a default value instead.
note: |
  Nullable `Boolean?` has three states (`true`, `false`, `null`) which
  complicates control flow. Use `Boolean` with a default value of
  `false` or `true`, or use a sealed class/enum for tri-state logic.
rule:
  any:
    - pattern: "val $NAME: Boolean? = $VALUE"
    - pattern: "var $NAME: Boolean? = $VALUE"
    - pattern: "fun $NAME($A: Boolean?): $B { $$$ }"
    - pattern: "fun $NAME(): Boolean? { $$$ }"
files:
  - "**/*.kt"
  - "**/*.kts"