Nim performance notes and same-language nimperf-lint.

Part of XPerf. Corpus-ready (G3 2026-10-22). Defaults: nm-seq-add-hot and nm-echo-hot off; nm-seq-no-capacity hint. nm-string-amp-in-loop was removed. Requires nim (choosenim).

English guide (v0) — generated from docs/guide-src/
nimperf-lint — rules and severities
Rule ids · Evidence policy · Corpus pins

Run lint

packages/nimperf/nimperf-lint/nimperf-lint path/to/sources
bash packages/nimperf/scripts/smoke-lint.sh
bash packages/nimperf/scripts/self-lint.sh

Layout

Path	Contents
`docs/`	guide (`guide-src/` is the source), corpus pins, evidence policy, rule ids
`evidence/`	per-rule evidence notes (all pending; see evidence/README.md)
`examples/`	`m01_presize.nim`, `p01_join.nim`
`nimperf-lint/`	linter source, fixtures, README
`scripts/`	`smoke-lint.sh`, `self-lint.sh`

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