Struct FuncNode

expr/node.go:202–208

FuncNode holds a Func, which desribes a go Function as well as fulfilling the Pos, String() etc for a Node

	// FuncNode holds a Func, which desribes a go Function as
	// well as fulfilling the Pos, String() etc for a Node
	FuncNode struct {
		Name    string        // Name of func
		F       Func          // The actual function that this AST maps to
		Eval    EvaluatorFunc // the evaluator function
		Missing bool
		Args    []Node // Arguments are them-selves nodes
	}

	// IdentityNode will look up a value out of a env bag also identities of
	// sql objects (tables, columns, etc) we often need to rewrite these as in