Enum ValueSource 

pub enum ValueSource {
    CommandLine,
    Environment,
    ConfigFile,
    Default,
}

Argument value source tracking

Variants

CommandLine

Environment

ConfigFile

Default

Trait Implementations

impl Clone for ValueSource

fn clone(&self) -> ValueSource

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ValueSource

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

Formats the value using the given formatter.

impl PartialEq for ValueSource

fn eq(&self, other: &ValueSource) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for ValueSource