UnmarshalOp transforms a JSON representation of an operator into an Op.

An Agg is an AST node that represents a aggregate function.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

A BinaryExpr is any expression of the form "lhs kind rhs" including arithmetic (+, -, *, /), logical operators (and, or), comparisons (=, !=, <, <=, >, >=), and a dot expression (".") (on records).

A Call represents different things dependending on its context.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

Def is like Assignment but the LHS is an identifier that may be later referenced.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

An Op is a node in the flowgraph that takes Zed values in, operates upon them, and produces Zed values as output.

Op is the interface implemented by all AST operator nodes.

A Seq represents a sequence of operators that receive a stream of Zed values from their parent into the first operator and each subsequent operator processes the output records from the previous operator.