Struct Flag 

pub struct Flag {
    pub val: bool,
}

Use this type instead of a bool if you want a var to evaluate to true if set to any value at all.

This is best used with the ~ getter modifier, which causes an unset var to use its type’s Default implementation.

Fields

val: bool

Trait Implementations

impl Clone for Flag

fn clone(&self) -> Flag

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Flag

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

Formats the value using the given formatter.

impl Default for Flag

fn default() -> Flag

Returns the “default value” for a type.

impl Deref for Flag

type Target = bool

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl DerefMut for Flag

fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.

impl FromStr for Flag

type Err = Infallible

The associated error which can be returned from parsing.

fn from_str(_: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type.

impl Hash for Flag

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Copy for Flag