oschulz / oschulz/FunctionChains.jl
Add fcoll to turn collection of functions into a function that returns collections
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enhancement
- Dominant language
- Julia
- Stars
- 10
- Forks
- 1
- PR merge metrics
- No merged PRs in 30d
Description
This would add something like
fcoll(fs) = x -> map(f -> f(x), fs)
So that
f = fcoll((a = f1, b = f2, c = f3))
f(x) == (a = f1(x), b = f2(x), c = f3(x))
Would be good to support fcoll(a = f1, b = f2, c = f3), fcoll(f1, f2, cf3) and fcoll(f1) as will, similar to how fchain handles tuples of functions.
Contributor guide
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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
Start by locating the existing fchain implementation and its tests, since the issue says fcoll should handle tuples, named collections, positional functions, and a single function similarly. Done means fcoll returns a callable that applies each supplied function to an input and preserves the collection shape shown in the examples.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- julia
- Domain
- tooling
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 48/100