This is the core package, it contains all essential functions.
If the first value is true, it returns the second value, else it returns the third value.
Checks if a value is an extension function.
Checks if a value is a function.
Checks if a value is a list. Does not check if all values of the list have the same type.
Checks if a value is an object. This is not useful if you want an object with a specific structure, write your own checker instead.
Dict containing all functions in this package, read to be used in Leaf.