Debug Builds

対象実装: このドキュメントは現行 Bootstrap 実装（nepl-core / nepl-cli）の debug build 挙動を記述する。
NEPLg3 文書は未確定 draft として扱い、現行 NEPLg2.1 の正仕様とは区別する。

This document describes debug-only output and profile gates.

Profile gates

Use #if[profile=debug] or #if[profile=release] to include code only for a
given compiler profile.

The active profile is controlled by the CLI option:

  • --profile debug
  • --profile release

If omitted, the source profile defaults to debug. The compiler binary may
itself be built in release mode for performance, but that does not change
#if[profile=...] selection.

Debug output helpers

The stdlib provides debug output helpers that only emit in debug builds:

  • std/stdio::debug
  • std/stdio::debugln
  • std/diag::diag_debug_print
  • std/diag::diag_debug_println

In release builds these functions are no-ops.

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