Enum EnvProblem 

pub enum EnvProblem {
    Unset,
    NotUnicode,
}

Why a variable could not be substituted (issue #1116).

Variants

Unset

Not set, and the tag gives no default, so the tag renders empty.

NotUnicode

Set, but the value is not valid Unicode, so the tag renders its default, or empty without one.

Trait Implementations

impl Clone for EnvProblem

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for EnvProblem

impl Debug for EnvProblem

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

Formats the value using the given formatter.

impl Eq for EnvProblem

impl PartialEq for EnvProblem

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for EnvProblem