Function extern_spec_T_A_Vec_T_A_reserve 

pub fn extern_spec_T_A_Vec_T_A_reserve<T, A: Allocator>(
    self_: &mut Vec<T, A>,
    additional: usize,
)

extern spec for Vec<T, A>::reserve

This is not a real function: its only use is for documentation.

terminates

ensures

(^self)@ == self@