Works together with flags_data extension.
namespace flags utilities
implicit import ideal • library • elements
implicit import ideal • library • patterns
implicit import ideal • runtime • elements
implicit import ideal • runtime • patterns
implicit import ideal • machine • channels
implicit import ideal • machine • characters
dash pattern : singleton pattern[character] • new('-')
separator pattern : option pattern[character] • new([singleton pattern[character] • new('=') .> pattern[character], singleton pattern[character] • new(':')])