Macro time::internal_macros::ensure_ranged

macro_rules! ensure_ranged {
    ($type:ident : $value:ident) => { ... };
    ($type:ident : $value:ident $(as $as_type:ident)? * $factor:expr) => { ... };
}

Constructs a ranged integer, returning a ComponentRange error if the value is out of range.