Bend 2.0.37

• A Nat crosses to a JS host as a plain number (PR #1506 by
  nicolas-abril). Breaking for JS callers: an effect's .js and a
  caller of an exported def pass and get 5, not 5n. A Nat answer or
  argument that isn't a whole number from 0 to 2^53 stops the run with the
  Nat error, as in C. Calls into exported defs are about 3.5x faster.
• IO.exit(code) ends a program quietly with a status from 0 to 255
  (#1465, PR #1492 by oxura). A code above 255, in IO.exit or IO.die,
  exits 1 instead of wrapping.
• F32.show takes a plain parameter, so ~F32.show fits List.show
  and Maybe.show (#1511, PR #1518 by vicmcorrea). A caller passing it as
  + now wraps it: (x => F32.show(x)).
• bend-lint, a standalone linter with rules written in TS or Bend, in
  tools/bend-lint (PR #1389 by MattCozendey).
• Faster:
  • The CPU hands a slow grow's forks to idle threads, so a wide late fork
    runs 2.6x faster at 14 threads (#1475, PR #1479 by viridale).
  • BendTT's parser reads the text's bytes, so --verdict parses twice as
    fast in a quarter of the memory (PR #1380 by nicolas-abril); safe.ts
    walks each term once (PR #1384 by nicolas-abril).
  • A bang over a pair no longer sends every closure to the device (PR
    #1336 by chaserelock); a spin is a device call by its C's length in
    characters, and always inline on the host (PR #1413 by nicolas-abril).
  • A native build frees the compiler's memory before clang runs (PR #1385
    by Iann29).
  • On Linux a window paces at the display's refresh rate, not 60 Hz (PR
    #1379 by igorhasse).
• CLI:
  • bend update fails when the installer download fails (#1481, PR #1485
    by vicmcorrea).
  • --checkup reads only the import header, and imports with a trailing
    # comment (#1501, #1497, PRs #1502 by oxura and #1517).
  • bend a.bend --verdict b.bend is refused: extra arguments go only to a
    plain run (#1503, PR #1516).
  • Inline HTML module scripts are bundled (#1400, PR #1412 by oxura), keep
    their diagnostic positions (PR #1454 by Osraka), and a bundler failure
    is a formatted error (#1399, PR #1406 by oxura).
  • An unreachable hub is a formatted error, not a TypeError (PR #1428 by
    HamedShams); a native build that fails before clang removes its
    /tmp/bend-* dir (#1402, PR #1405 by Yi-111-a).
  • A ! build finds CUDA at $CUDA_PATH and /opt/cuda (PR #1373 by
    igorhasse).
• Fixes:
  • Linux audio keeps a partially written chunk until ALSA takes it, and
    stops on a dead device instead of spinning (PR #1508 by
    sebastian-griego).
  • F32.hypot keeps lengths past 1.8e19 and below 1e-19 (PR #1515 by
    sebastian-griego).
  • A closed stdout or stderr reader ends a program by SIGPIPE (#1467, PR
    #1470 by viridale); Process.run reads until stdout and stderr close
    (#1343, PR #1392 by nicolas-abril); get_env rejects a name with a NUL
    (#1449, PR #1450 by Yi-111-a).
  • An erased last argument no longer cuts its call (#1374, PR #1377 by
    nuxyel); the effect table is sized to the program's constructor ids
    (#1163, PR #1378 by vicmcorrea); arrays of concrete functions compile
    (#1404, PR #1410 by oxura); lay_el takes only datatypes and type
    formers (PR #1426 by nicolas-abril); a __proto__ export survives in
    JS (PR #1458 by vicmcorrea).
  • Match-refined Data views stay in copyable lets (#1349, PR #1369 by
    oxura); Array-wrapped JS marshalling is stack-safe (#1346, PR #1370 by
    oxura).
  • --verdict builds inlined recursive let arguments at each use (#1326,
    PR #1368 by oxura), keeps Base-free large Nat literals (#1330, PR #1337
    by oxura), and parses both rewrite motive binders in its diagnostics
    (#1315, PR #1407 by oxura).
  • The formatter keeps module import paths (PR #1325) and separated brace
    arguments (PR #1505), by vicmcorrea; the linter keeps quoted foreign
    import paths (PR #1422) and module headers (PR #1460), by vicmcorrea.
• Docs: README Limitations names backend divergence and the unproven
  translation (#1423, PR #1424); the formatter README installs
  bend2-fmt-lsp on PATH (PR #1486 by Osraka); IO forks vs CPU parallel
  calls (#1375, PR #1415 by oxura); BendRT's opening program checks again
  (#1308, PR #1382 by oxura).

Install: curl -fsSL https://bend-lang.com/install.sh | sh (or Homebrew: brew install bendlang/bend/bend, or Nix: nix profile install github:bendlang/bend).

sha256:

• 846d25ccf0c12d5d1e5e648c0b3ba4c8397fdb852812ac00ef8135998f8e194b bend-2.0.37-darwin-arm64.tar.gz
• 93eea3f54b7b91f28ea15a1b9f2d825afa58c1fcd417c11024a62f8c3506b813 bend-2.0.37-darwin-x64.tar.gz
• b65d452e5c68a4c486e353220d4298ba5d76f535db47109a7d76ffdf72efafb1 bend-2.0.37-linux-arm64.tar.gz
• 84c32465a39bc9ac315eade23f470cb8db03153dc860f89564fcfec153c3e445 bend-2.0.37-linux-x64.tar.gz