Struct coreutils_core::os::group::Groups

pub struct Groups { /* fields omitted */ }

A collection of Group.

Methods

impl Groups

pub const fn new() -> Self

Creates a empty new Groups.

pub fn caller() -> Result<Self>

Get all the process caller groups.

Errors

If it fails to get a Group, an error variant will be returned.

pub fn from_username(username: &str) -> Result<Self>

Get all groups that username belongs.

Errors

If it fails to get a Group, an error variant will be returned.

pub fn from_group_list(group_list: &[&str]) -> Result<Self>

Get groups from a list of group names.

Errors

If it fails to get a Group, an error variant will be returned.

pub fn push(&mut self, value: Group)

Insert a Group on Groups.

pub fn is_empty(&self) -> bool

Return true if Groups contains 0 elements.

pub fn into_vec(self) -> Vec<Group>

Transform Groups to a Vector of Group.

pub fn iter(&self) -> Iter<Group>

Creates a iterator over it's entries.

Trait Implementations

impl Clone for Groups

fn clone(&self) -> Groups

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Groups

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Default for Groups

fn default() -> Groups

Returns the "default value" for a type.

impl IntoIterator for Groups

type IntoIter = IntoIter<Group>

Which kind of iterator are we turning this into?

type Item = Group

The type of the elements being iterated over.

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.