Macro tract_hir::unwrap_or_none [−][src]
macro_rules! unwrap_or_none {
($e : expr) => { ... };
}Expand description
Tries to unwrap an option, or returns Ok(None) otherwise.
macro_rules! unwrap_or_none {
($e : expr) => { ... };
}Tries to unwrap an option, or returns Ok(None) otherwise.