| Concepts | |
| concept | ranges::invocable_ | 
| The invocable_concept. | |
| concept | ranges::invocable | 
| The invocableconcept. | |
| concept | ranges::regular_invocable | 
| The regular_invocableconcept. | |
| concept | ranges::predicate_ | 
| The predicate_concept. | |
| concept | ranges::predicate | 
| The predicateconcept. | |
| concept | ranges::relation | 
| The relationconcept. | |
| concept | ranges::strict_weak_order | 
| The strict_weak_orderconcept. | |