GraphQL v0.2.0 GraphQL.Lang.AST.InitialisingVisitor protocol
A Visitor that implements this protocol will have the opportunity to perform some initialisation and set up the accumulator before AST traversal is started.
The fallback implementation returns the accumulator untouched.
Summary
Functions
Invoked before traversal begins. The Visitor can do any once-off accumulator initialisation here
Types
t :: term