Method Calendar.TimeRanges.TimeRange()->strictly_succeeds()


Method strictly_succeeds

bool strictly_preceeds(TimeRange what)
bool preceeds(TimeRange what)
bool is_previous_to(TimeRange what)
bool overlaps(TimeRange what)
bool contains(TimeRange what)
bool equals(TimeRange what)
bool is_next_to(TimeRange what)
bool succeeds(TimeRange what)
bool strictly_succeeds(TimeRange what)

Description

These methods exists to compare two periods of time on the timeline.

          case            predicates
 
 <-- past       future ->
 
 |----A----|              A strictly preceeds B,
              |----B----| A preceeds B
 
 |----A----|              A strictly preceeds B, A preceeds B,
           |----B----|    A is previous to B, A touches B
 
     |----A----|          A preceeds B,
           |----B----|    A overlaps B, A touches B
 
     |-------A-------|    A preceeds B, A ends with B
           |----B----|    A overlaps B, A contains B, A touches B,
 
     |-------A-------|    A preceeds B,  A succeeds B,
         |---B---|        A overlaps B, A contains B, A touches B
 
        |----A----|       A overlaps B, A touches B, A contains B
        |----B----|       A equals B, A starts with B, A ends with B
 
     |-------A-------|    A succeeds B, A starts with B
     |----B----|          A overlaps B, A contains B, A touches B
 
           |----A----|    A succeeds B,
     |----B----|          A overlaps B, A touches B
 
           |----A----|    A strictly succeeds B, A succeeds B
 |----B----|              A is next to B, A touches B
 
             |----A----|  A strictly succeeds B,
 |----B----|              A succeeds B
 
 

Note

These methods only check the range of the first to the last time in the period; use of combined time periods (SuperTimeRanges) might not give you the result you want.

See also

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