pub fn version_exists(crate_name: &str, version: &str) -> Result<bool, Error>Expand description
Returns true if the given version of a crate exists in the crates.io index,
or false if the crate is found but the version is absent.
Returns an error if the crate is not found on the index or if the index cannot be queried.
§Errors
Returns Error::CrateNotFoundOnIndex when the crate is absent from the index.
Returns other Error variants on index access failures.
§Examples
use kdeets_lib::version_exists;
let exists = version_exists("serde", "1.0.0")?;
assert!(exists);