Enum MacroExpansionResultExt2 

pub enum MacroExpansionResultExt2 {
    Success(String),
    Error(MacroExpansionErrorExt2),
    NoMatch,
}

The result of a macro expansion attempt.

Variants

Success(String)

Expansion succeeded, result is the expanded string

Error(MacroExpansionErrorExt2)

Expansion failed with an error

NoMatch

No rule matched

Implementations

impl MacroExpansionResultExt2

pub fn is_success(&self) -> bool

Returns true if expansion succeeded.

pub fn as_str(&self) -> Option<&str>

Returns the expanded string if successful.

Trait Implementations

impl Clone for MacroExpansionResultExt2

fn clone(&self) -> MacroExpansionResultExt2

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MacroExpansionResultExt2

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

Formats the value using the given formatter.