Subtract the specified datetime interval rhs from this datetime.

Synopsis

Declared in <bdlt_datetime.h>

Datetime&
operator‐=(DatetimeInterval const& rhs);

Description

Subtract from this object the value of the specified rhs object, and return a reference providing modifiable access to this object. If 24 == hour() on entry, set the hour attribute of this object to 0 before performing the subtraction. The behavior is undefined unless the resulting value is valid for Datetime (see isValid).

Return Value

reference to this object

Parameters

Name

Description

rhs

datetime interval to subtract

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