Function parse_i64

pub const fn parse_i64(s: &str) -> Result<i64, ParseIntError>

Parses a i64 from a &str.

This returns an Err if the string would not successfully .parse() into a i64.

To parse a i64 from only part of a string, you can use Parser::parse_i64.

Const stabilization

The equivalent std function, was const-stabilized in Rust 1.82.0.

Example

For an example of how to use this function, you can look at the one for i128.