HsLua.Marshalling.Peek

Function to retrieve a value from Lua's stack.

Runs the peeker function.

Record to keep track of failure contexts while retrieving objects from the Lua stack.

Returns True iff the peek result is a Failure.

Create a peek failure record from an error message.

Force creation of an unwrapped result, throwing an exception if that's not possible.

Add context information to the peek traceback stack.

Converts a Result into an Either, where Left holds the reportable string in case of an failure.

Converts an old peek funtion to a Peeker.

Lua operation with an additional failure mode that can stack errors from different contexts; errors are not based on exceptions).

Converts a Peek action into a LuaE action, throwing an exception in case of a peek failure.

Fails the peek operation.

Lifts a Lua operation into the Peek monad.

Transform the result using the given function.

Runs the peek action and Lua action in sequence, even if the peek action fails.

Runs the peek action, resetting the stack top afterwards. This can be used with peek actions that might otherwise leave elements on the stack in case of a failure.