Enum VariableSource 

pub enum VariableSource {
    Environment {
        name: String,
    },
    CommandLineInput,
    Undefined,
}

Source of a variable’s value

Variants

Environment

Defined in an environment in the manifest

Fields

name: String

CommandLineInput

Would come from command-line –input

Undefined

Not defined anywhere

Trait Implementations

impl Clone for VariableSource

fn clone(&self) -> VariableSource

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for VariableSource

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

Formats the value using the given formatter.