making dependencies unconditional

[tpapp]

I am wondering if would make sense to simply depend on

• Colors.jl,
• DataFrames.jl,
• Contour.jl,
• Measurements.jl

instead of using Requires.@require. AFAIK these don't have binary dependencies (as opposed to eg Juno), so the cost is minor.

This would allow proper version management in Project.toml, and my understanding is that precompilation also works better if we do this.

[KristofferC]

Seems reasonable but it would be good to check how it impact load times.

[piever]

Just wanted to mention that if there is no problem to adding a default fallback, one could do

import Tables
TableData(x) = TableData(; Tables.columntable(x)...)

and support all table formats (e.g TypedTables, IndexedTables, StructArrays, Query iterators) with just a Tables dependency (which is a bit more lightweight than DataFrames). If the default fallback is excessive, one can check that Tables.istable(x) returns true.

[tpapp]

Yes, we should probably do that, and use Tables instead of DataFrame. Thanks for the suggestion.