Searched refs:is_none (Results 1 – 4 of 4) sorted by relevance
74 pub fn is_none(&self) -> bool { in is_none() method
87 pub fn is_none(&self) -> bool { in is_none() method
115 pub fn is_none(&self) -> bool { in is_none() method
315 pub fn is_none(&self) -> bool { in is_none() method