Replies: 4 comments 8 replies
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@Taaitaaiger issue is as per the docs it says i can use "Array::new_for" to construct arrays of arbitary types, i was able to create an array like this : |
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to provide more context this is the constructor function Problemam having trouble figuring out on how to send a value for the parameter cfmms in the above constructor function which is a vector of a abstract type XYZ{T}, since array::from_vec required data to implement "IntoJulia" which is not impl for custom struct but only implemented for primitive types how would one basically send an array of custom types from rust to julia |
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The easiest way is by using You can create an |
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This the type i generated using JLRS Reflect core package of abstract type : however while trying to get the datatype for the above type using the following code : keeps failing with the following error : |
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tried getting the type from julia it self with the following code : but then i get the error : when i call the following julia function : |
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@Taaitaaiger but this should have worked no ? |
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This is incorrect, this constructs the type Can you share some code that successfully works in Julia? NB: If possible I recommend keeping as much code as possible in Julia; calling into Julia from Rust is relatively expensive (function calling overhead is at least several dozen nanoseconds on my machine). |
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could you elaborate on what would be an acceptable "code that works in julia" ? like a script entirely in julia that calls into the function ? |
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The easiest way is to wrap the contents of the file (except the using statements) in a function. You can include the file with |
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@Taaitaaiger also on the julia functions being expensive to call from rust, as I understand now julia is dynamically linked rn ? can this expensive cost be removed if we statically link the julia library we want to use ? ik how we do it for C but kinda confused how would it work for a language like julia could you share any insight over this ? and if we statically link it does the garbage collector component still exists ? (if i sound dumb its prolly cause my knowledge around this domain is quite limited but been recently expanding it and you seem quite the expert so thought of asking for ur insight). |
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No, it's not related to how Julia is linked. It's due to what happens at runtime:
You can speed things up by using |
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Interesting, how would one typically know the c equivalent of a Julia library function ? As I understand rn, the jl-sys crate has c api for the julia language, how would one go around creating specific c api for a specific library, any resources or places i can get a start from will be helpful, since this is a area am trying to improve my knowledge on. |
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So the question is as follows say i have some abstract type in julia
abstract type XYZ{T} end
and i create structs which a sub-types of the XYZ,
struct ABC{T} <: CFMM{T}
and i have a function in julia which takes a argument of the super type xyz
random_var::Vector{C} where { C<:XYZ{T}}
am not quite sure how to build an array of the super type such that am able to pass all subtypes of xyz in a array and call the julia function which expects an array of the super type XYZ
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