get the target of a Getter
alias to composeIso
alias to composeIso
alias to composePrism
alias to composePrism
alias to composeLens
alias to composeLens
alias to composeTraversal
alias to composeTraversal
alias to composeOptional
alias to composeOptional
join two Getter with the same target
join two Getter with the same target
compose a Getter with a PTraversal
compose a Getter with a PTraversal
pair two disjoint Getter
pair two disjoint Getter
A Getter can be seen as a glorified get method between a type S and a type A.
A Getter is also a valid Fold
the source of a Getter
the target of a Getter