intercalate package:exon

Combine the elements in the list using Exon, interspersing the separator between each pair of elements. Returns mempty for empty lists; use intercalate1 for NonEmpty or intercalateMay to avoid the Monoid requirement.
Combine the elements in the list using Exon, interspersing the separator between each pair of elements.
Combine the elements in the list using Exon, interspersing the separator between each pair of elements. Returns Nothing when the list is empty.