Trait jj_lib::dsl_util::AliasExpandError

source ·
pub trait AliasExpandError: Sized {
    // Required methods
    fn invalid_arguments(err: InvalidArguments<'_>) -> Self;
    fn recursive_expansion(id: AliasId<'_>, span: Span<'_>) -> Self;
    fn within_alias_expansion(self, id: AliasId<'_>, span: Span<'_>) -> Self;
}
Expand description

Error that may occur during alias substitution.

Required Methods§

source

fn invalid_arguments(err: InvalidArguments<'_>) -> Self

Unexpected number of arguments, or invalid combination of arguments.

source

fn recursive_expansion(id: AliasId<'_>, span: Span<'_>) -> Self

Recursion detected during alias substitution.

source

fn within_alias_expansion(self, id: AliasId<'_>, span: Span<'_>) -> Self

Attaches alias trace to the current error.

Object Safety§

This trait is not object safe.

Implementors§