Remove: MACRO -> \'ADD_ROOT\'
Task-Complete
Merge branch 'retirement/ADD_ROOT' into develop
Memo: new stack architecture
Merge branch 'ydevelop', remote branch 'yanoh/develop' into ydevelop
merged
Merge remote-tracking branch 'keisen/develop' into develop
Add sample of quick-sort
Merge remote-tracking branch 'origin/sample-qsort' into develop
Refactor append function
Merge remote-tracking branch 'origin/sample-qsort' into develop
Expand sorting sequence
Merge remote-tracking branch 'origin/sample-qsort' into develop
Rewrite select function using `cons' instead of `append'
Merge remote-tracking branch 'origin/sample-qsort' into develop
Format append function
Merge remote-tracking branch 'origin/sample-qsort' into develop
Fix bungles
Merge remote-tracking branch 'origin/sample-qsort' into develop
Expand target sequence by `times' function