Class Lambda

datafusion/expr/src/expr.rs:1451–1456

/// A Lambda expression with a set of parameters names and a body
#[derive(Clone, PartialEq, Eq, PartialOrd, Hash, Debug)]
pub struct Lambda {
    /// The parameters names
    pub params: Vec<String>,
    /// The body expression
    pub body: Box<Expr>,
}

impl Lambda {
    /// Create a new lambda expression