JuliaDiff / JuliaDiff/ChainRules.jl
generic `rrule` for all `getfield`
Open
Nobody has claimed this yet.
missing rule
- Dominant language
- Julia
- Stars
- 475
- Forks
- 98
- PR merge metrics
- No merged PRs in 30d
Description
If I am correct: the rrule for getfield is always:
function rrule(::typeof(getfield), val::P, field::Symbol) where P
getfield_pullback(dy) = NO_FIELDS, Composite{P}(; (field => dy,)...)
return getfield(val, field), getfield_pullback
end
Contributor guide
No contributing guide indexed for this repository
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
Start by reviewing the existing rrule definitions for getfield and the surrounding rule implementations. Check whether the proposed generic rule covers all supported cases and validate it with the project's existing checks; done means the behavior is accepted without regressions.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- julia
- Domain
- machine-learning
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100