const std = @import("std");
const builtin = @import("builtin");

//Id like to print the arg types of this function
fn foo(n: usize, comptime T: type) usize {
    return n;
}

fn makefunc(comptime func: var) type {
    const TargetFnType = @typeOf(func);
    const target_fn_info = @typeInfo(TargetFnType).Fn;
    const args = target_fn_info.args;

    return struct {
        fn call(n: args[0].arg_type.?, comptime t: args[1].arg_type.?) void {
            std.debug.warn("{} {}", n, @typeName(t));
        }
    };
}
pub fn main() void {
    comptime var f = makefunc(foo);

    f.call(10, @typeOf(foo));
}