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# SPDX-License-Identifier: Apache-2.0
# Flag lambdas whose body spans more than 10 lines. Long lambdas are hard to
# read and review; prefer extracting them into a named function.
id: long-lambda
language: cpp
severity: warning
message: >
Lambda is longer than 10 lines. Extract it into a named function to keep
async call sites readable per docs/COMMON_ERRORS.md.
rule:
kind: lambda_expression
# (?s) makes . match newlines. At least 10 newlines in the lambda node text
# means it spans at least 11 lines, i.e. more than 10 lines.
regex: '(?s)^.*(\n.*){10}'
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