Estimated hours taken: 2
library/std_util.m:
Implement `do_while/4'.
samples/README:
samples/all_solutions.m:
samples/committed_choice.m:
samples/solutions/all_solutions.m:
samples/solutions/one_solution.m:
samples/solutions/some_solutions.m:
Move the all_solutions.m and committed_choice.m samples
into a new subdirectory `solutions', renaming committed_choice.m
as `one_solution.m', and add a new file `some_solutions.m'
illustrating the use of `do_while/4'.
(Also fix some documentation rot in samples/README.)
NEWS:
Mention the new predicate std_util__do_while/4.
tests/general/Mmakefile:
tests/general/do_while.m:
tests/general/do_while.exp:
A test case for the new feature.
