How can I check the type of a variable in Julia?

Question

in Julia, im trying to check the type of a variable and i expected it to show both the type and the value like 'int 10'. but when i use typeof(x), it just shows the type, e.g., Int64. how can i display both the type and the value of a variable in the terminal?

If you put your variable in a vector the repl will show the value(s) and the type, e.g. [x] or display([x]) (when calling from a shell). — Andre Wildberg
– Andre Wildberg, Commented Jun 15 at 19:30

Hanshi · Accepted Answer · 2025-06-15 13:19:59Z

1

You can do:

x = 10
println("$(typeof(x)) $x")

or just:

@show x

which prints:

x = 10

(showing both the name, value, and from the REPL you'll still see the type if you want with typeof(x))

If you want type + value in one string:

println("$(typeof(x)) $(x)")

Example output:

Int64 10

answered Jun 15 at 13:19

Hanshi

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