concat -is:exact -is:exact package:base -is:exact
The concatenation of all the elements of a container of lists.
Concatenate a list of lists.
Map a function over all the elements of a container and concatenate
the resulting lists.
Map a function over a list and concatenate the results.
Fold a list using the monoid.
For most types, the default definition for
mconcat will be
used, but the function is included in the class definition so that an
optimized version can be provided for specific types.
Reduces a structure of lists to the concatenation of those lists.
Given a means of mapping the elements of a structure to lists,
computes the concatenation of all such lists in order.
Reduce a non-empty list with <>
The default definition should be sufficient, but this can be
overridden for efficiency.