pub fn is_statically_known(&self) -> bool {
        for a in self.iter() {
            if !a.is_constant() {
                return false;
            }
        }
        true
    }
/// Return `true` if `self` consists only of statically known constants
Return `true` if `self` consists only of statically known constants
Return ` true ` if ` self ` consists only of statically known constants
pub fn is_statically_known(&self) -> bool {
        for a in self.iter() {
            if !a.is_constant() {
                return false;
            }
        }
        true
    }
pub fn is_statically_known ( & self ) -> bool { for a in self . iter ( ) { if ! a . is_constant ( ) { return false ; } } true }
Return `true` if `self` consists only of statically known constants
Return ` true ` if ` self ` consists only of statically known constants
&self