Move reverse from stdlib_ascii to stdlib_strings

[Pranavchiku]

When I build, it throws me following error, I am not sure why it happens:

% cmake --build build                             
[ 19%] Built target fortran_stdlib
[ 19%] Built target test-drive-lib
[ 19%] Built target test_always_skip
[ 20%] Built target test_always_fail
[ 21%] Built target test-drive-tester
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[ 22%] Built target test_ascii
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[ 25%] Built target test_chaining_maps
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[ 25%] Built target test_loadtxt
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[ 25%] Built target test_loadtxt_qp
[ 25%] Built target test_savetxt_qp
[ 25%] Built target test_getline
[ 26%] Built target test_npy
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[ 26%] Built target test_parse_mode
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[ 33%] Built target test_distribution_uniform
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[ 34%] Built target test_distribution_exponential
[ 35%] Built target test_string_assignment
[ 35%] Built target test_string_operator
[ 35%] Built target test_string_intrinsic
[ 36%] Built target test_string_match
[ 36%] Built target test_string_derivedtype_io
[ 36%] Building Fortran object test/string/CMakeFiles/test_string_functions.dir/test_string_functions.f90.o
/Users/pranavchiku/repos/stdlib-fortran-lang/test/string/test_string_functions.f90:93:26:

   93 |         call check(error, reverse(test_string) == compare_string)
      |                          1
Error: There is no specific function for the generic 'reverse' at (1)
/Users/pranavchiku/repos/stdlib-fortran-lang/test/string/test_string_functions.f90:717:9:

  717 |     use test_string_functions, only : collect_string_functions
      |         1
Fatal Error: Cannot open module file 'test_string_functions.mod' for reading at (1): No such file or directory
compilation terminated.
make[2]: *** [test/string/CMakeFiles/test_string_functions.dir/test_string_functions.f90.o] Error 1
make[1]: *** [test/string/CMakeFiles/test_string_functions.dir/all] Error 2
make: *** [all] Error 2

cc @awvwgk @ivan-pi

[jvdp1]

This is strange. Which compiler do you use?

[Pranavchiku]

Which compiler do you use?

GFortran

[awvwgk]

This PR introduces a regression in functionality by removing the support for string_type.

[jvdp1]

I don't think that this PR is the appropriate solution to the observed issue, but I have no clue what the problem could be. What the original module including reverse appropriately compiled?

[Pranavchiku]

Okay, what will be a way to get the issue fixed?

[jvdp1]

Okay, what will be a way to get the issue fixed?

It seems that there is an issue with dependencies, maybe with cmake?