Would you help me with Macros Why macros does not see functions: size() or length()? Julia ver 1.1.1 macro test_macro(e::Expr) return (ones(size(e)[1]) .+ e) end MethodError: no method matching size(::Expr) Closest candidates are: size(!Matched::BitArray{1}) at bitarray.jl:77 size(!Matched…

Macros operate on expressions, not values. That is, they input and output Julia code. So you can’t check the size of e or add e to anything, because e is an expression, not an array. What you can do instead is this: macro test_macro2(e::Expr) return esc( :( ones(size($e)[1]) .+ $e) ) end Then @te…

Macro: no method matching size

General Usage

BMval May 28, 2020, 3:51am 3

Thank you so much

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Macro: no method matching size

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