pub fn round_backward_to_business_day<F>(self, is_business_day: F) -> Self
    where
        F: Fn(Self) -> bool,
    {
        self.round_step_to_business_day(is_business_day, -1)
    }
/// Rounds the date to the previous value that satisfies is_business_day if it
/// is not already a business day.
Rounds the date to the previous value that satisfies is_business_day if it
is not already a business day.
Rounds the date to the previous value that satisfies is_business_day if it is not already a business day .
pub fn round_backward_to_business_day<F>(self, is_business_day: F) -> Self
    where
        F: Fn(Self) -> bool,
    {
        self.round_step_to_business_day(is_business_day, -1)
    }
pub fn round_backward_to_business_day < F > ( self , is_business_day : F ) -> Self where F : Fn ( Self ) -> bool , { self . round_step_to_business_day ( is_business_day , - 1 ) }
Rounds the date to the previous value that satisfies is_business_day if it
is not already a business day.
Rounds the date to the previous value that satisfies is_business_day if it is not already a business day .
self
is_business_day
F
self
is_business_day
F