predicateswhere
Predicateswhere is a term used in computer science to describe an operation that filters elements of a collection by applying one or more predicates. The name merges predicates—logical conditions that evaluate to true or false—and the where clause common in SQL to select rows that satisfy a condition. Although informal, predicateswhere appears in documentation and discussions as a convenient shorthand for composing predicate-based filters.
Implementation and usage: In practice, a predicateswhere operation can be a higher-order function, a filter-like method,
Relation to related concepts: Predicateswhere is related to predicate logic, SQL where clauses, and filter operations
Examples: Given a dataset of records, predicateswhere might select those where age > 18 and status is
Limitations: The term is informal and its meaning can vary across languages and libraries. Performance depends
See also: Predicate logic, filter, where clause, query DSL, combinators.