Enum ExpandDeclError 

pub enum ExpandDeclError {
    EmptyConstructor {
        target: String,
    },
    EmptySubset {
        func: Ident,
        param: Ident,
    },
    DuplicateConstructor {
        target: String,
    },
    DuplicateExpand {
        func: Ident,
        param: Ident,
    },
}

One structurally invalid expansion declaration (see ExpandError::InvalidDeclarations).

Variants

EmptyConstructor

A constructor declaration with no variants.

Fields

target: String

EmptySubset

A per-fn expand with an empty variant subset.

Fields

func: Ident

param: Ident

DuplicateConstructor

Two constructor declarations for the same target type.

Fields

target: String

DuplicateExpand

Two per-fn expands for the same (fn, param).

Fields

func: Ident

param: Ident

Trait Implementations

impl Debug for ExpandDeclError

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

Formats the value using the given formatter.

impl Display for ExpandDeclError

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

Formats the value using the given formatter.