Module transform 

A collection of transformations that can be applied to a crate::expr::Expression.

Modules

rules

Traits for extensible expression rewrite rules.

Structs

ExprOptimizer

A unified optimizer for expressions that can work with or without type information.

PartitionedExpr

The result of partitioning an expression.

Functions

partition

Partition an expression into sub-expressions that are uniquely associated with an annotation. A root expression is also returned that can be used to recombine the results of the partitions into the result of the original expression.

replace

Replaces all occurrences of needle in the expression expr with replacement.

replace_root_fields

Expand the root expression with a pack of the given struct fields.