AFAIK a macro only works like a “tag” on source code that is parsed to input expressions for the macro. Is there a way to make a macro work on an Expr instance? I’m aware that this might be a problem because macros are documented to only work on expressions, literals, and symbols, but an Expr insta…

Given a macro @something you can get the actual macro object by writing var"@something" and from that you can inspect it’s methods and call it. For example: julia> macro do_nothing(ex) ex end @do_nothing (macro with 1 method) julia> methods(var"@do_nothing") # 1 method for macro …

Is there a trick to input an `Expr` into a macro?

General Usage

johnmyleswhite June 7, 2022, 11:17pm 4

Are you sure you don’t just want a function that takes in an Expr?

1 Like

Using @which inside a macro on expr

Topic		Replies	Views
Interpolate expression into macro General Usage metaprogramming	27	1892	May 15, 2019
Evaluate symbol passed to macro General Usage	7	112	January 17, 2025
Constructing expressions with local macro variables and Symbols General Usage macros	11	742	November 22, 2021
Can't create a struct with a macro from a string of types General Usage	4	382	May 26, 2021
Not-so-unusual Macro issues General Usage macros , metaprogramming	2	379	May 22, 2021

Is there a trick to input an `Expr` into a macro?

Related topics