# i64
`````{roto:type} i64
The signed 64-bit integer type.

This type can represent integers from -9,223,372,036,854,775,808 up to (and including) 9,223,372,036,854,775,807.
`````


````{roto:function} to_string(self: i64) -> String
Convert this value into a `String`.
````