rust-embedded / rust-embedded/heapless
Build error when compiling with `esp-idf`
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Description
I get this error:
error[E0223]: ambiguous associated type
--> /home/esp/.cargo/registry/src/index.crates.io-6f17d22bba15001f/heapless-0.9.1/src/c_string.rs:181:17
|
181 | Err(FromBytesWithNulError::InteriorNul { position }) => {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: if there were a trait named `Example` with associated type `InteriorNul` implemented for `FromBytesWithNulError`, you could use the fully-qualified path
|
181 | Err(<FromBytesWithNulError as Example>::InteriorNul { position }) => {
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
error[E0599]: no associated item named `NotNulTerminated` found for struct `FromBytesWithNulError` in the current scope
--> /home/esp/.cargo/registry/src/index.crates.io-6f17d22bba15001f/heapless-0.9.1/src/c_string.rs:184:40
|
184 | Err(FromBytesWithNulError::NotNulTerminated) => {
| ^^^^^^^^^^^^^^^^ associated item not found in `FromBytesWithNulError`
Which seems to be coming from this package.
This happens when using with HistoryBuf to be more exact
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the build with esp-idf and HistoryBuf, then inspect heapless-0.9.1/src/c_string.rs around lines 181 and 184 where the reported errors occur. Compare the available FromBytesWithNulError items with the failing patterns; done means the same HistoryBuf build compiles without these errors.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- embedded-iot
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100