# Functions
MakeMap returns a Mapper from the passed map.
MakeSlice returns a slicer object from a slice.
MakeValue returns a new value with cast helpers.
ParseEnv retuns the environment as a params.
ParseString parses a mapping string and returns a params object Example string: foo=bar aparam="value".
# Type aliases
MapFilter returns true and the key and value, or false if the value should be skipped.