Trait ValueEnum

pub trait ValueEnum {
    // Required method
    fn as_enum_str(&self) -> Result<Cow<'static, str>, PlanError>;
}

Trait for enums that can be converted to a string representation for textification.

Returns Ok(str) for valid enum values, or Err(PlanError) for invalid or unknown values.

Required Methods

fn as_enum_str(&self) -> Result<Cow<'static, str>, PlanError>

Implementations on Foreign Types

impl ValueEnum for JoinType

fn as_enum_str(&self) -> Result<Cow<'static, str>, PlanError>

impl ValueEnum for SortKind

fn as_enum_str(&self) -> Result<Cow<'static, str>, PlanError>

Implementors