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lukewilliamboswell and others added 10 commits January 5, 2026 15:24
Removed Path.type! function which was causing crash: "increfDataPtrC:
ORIGINAL ptr=0x1 is not 8-byte aligned". This appears to be an ABI
issue with opaque types in RocTry with the new compiler.

The function used an opaque type PathType := [IsDir, IsFile, IsSymLink]
which doesn't work correctly in Try results. The three individual
functions (is_file!, is_dir!, is_sym_link!) all work perfectly and
cover the same use cases.

All tests now pass. Path.type! can be investigated as a separate
follow-up issue once the opaque type ABI is better understood.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <[email protected]>
- Restructure Cmd to use opaque type with methods (Cmd := { record }.{ methods })
- Update doc comments to use -> operator syntax instead of deprecated |>
- Delete orphaned examples (dir-test, env-test, file-test, print-test)
- Delete orphaned expect scripts for removed examples
- Delete old tests/ directory with unmigrated tests
- Update all_tests.sh to remove references to deleted examples
- Add test files demonstrating -> operator syntax works

Note: Static dispatch with . syntax crashes compiler (checkDeferredStaticDispatchConstraints)
so we use -> operator syntax instead, which works correctly.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <[email protected]>
After compiler fixes for static dispatch, we can now use the idiomatic
. syntax for all methods including effects:

- Update all doc comments to show static dispatch syntax
- Effect methods now work: cmd.exec_exit_code!()
- Builder methods continue to work: Cmd.new("ls").args([])
- Full fluent API: Cmd.new("echo").args(["Hi"]).exec_cmd!()

Previous syntax required:
- . for regular methods
- Qualified calls for effects (Cmd.exec_exit_code!(cmd))

Now all methods use consistent . syntax throughout.

Tests verify:
- Simple method chaining with effects
- Multiline builder patterns
- Output capture via static dispatch
- Complete fluent chains

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <[email protected]>
Use argc/argv directly instead of std::env::args() because when built
as a static library, the Rust runtime isn't properly initialized and
std::env::args() returns an empty list.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>
c_char is u8 on ARM64 Linux but i8 on x86, so use the portable
c_char type from std::ffi for argv handling.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>
The `git diff | head -50` command can exit with 141 (SIGPIPE) on Linux
when head closes the pipe before git finishes writing. Add `|| true`
to ignore this expected condition.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>
Limit GITHUB_TOKEN permissions to contents:read by default, as
recommended by GitHub's security scanner. The create-release job
overrides this with contents:write as needed.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>
pub stdout_bytes: roc_std::RocList<u8>,
pub struct CommandOutputSuccess {
pub stderr_utf8_lossy: RocStr, // offset 0 (24 bytes)
pub stdout_utf8: RocStr, // offset 24 (24 bytes)
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@lukewilliamboswell in several places in the PR, Str is used where there was a byte list before. What's the reasoning behind that?

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We haven't finished migrating things across yet. The RocStr was working across the host boundary and simpler place to start with. I can't remember if I tried the RocList first and it was broken, but I've just been trying to change one thing at a time. Now we have a functional CI it will be easier to make changes and know if we break anything.

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3 participants