---
name: "Tree::XPathEngine::Expr"
section: "3pm"
platform: "linux"
package: "libtree-xpathengine-perl"
version: "0.05-3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/Tree::XPathEngine::Expr"
---

# Tree::XPathEngine::Expr(3pm)

handles expressions in XPath queries

## NAME

Tree::XPathEngine::Expr - handles expressions in XPath queries

## METHODS

### new

### op\_xml

### get\_lhs

### set\_lhs

### get\_rhs

### set\_rhs

### push\_predicate

### set\_op

### get\_op

### evaluate

### filter\_by\_predicate

### as\_string

dump the expression as a string

### as\_xml

dump the expression as xml