Function NewOpt

symbols/typeexprs.go:91–93

NewOpt wraps a label-type pair inside a StructType. fn:optional(/foo, /string)

(label, tpe ast.BaseTerm)

// NewOpt wraps a label-type pair inside a StructType.
// fn:optional(/foo, /string)
func NewOpt(label, tpe ast.BaseTerm) ast.ApplyFn {
	return newTypeExpr(Optional, label, tpe)
}

// NewStructType returns a new StructType.
func NewStructType(args ...ast.BaseTerm) ast.ApplyFn {