Function fidl_fuchsia_component_abi_ext::read_abi_revision_optional

source · 
pub async fn read_abi_revision_optional(
    dir: &DirectoryProxy,
    path: &str
) -> Result<Option<AbiRevision>, AbiRevisionFileError>
Expand description

Attempt to read an ABI revision value from the given file path, but do not fail if the file is absent.