I wondered about the popularity of Phobos' modules and used a search on GitHub to get a first idea:
I used searches like this: https://github.com/search?l=D&q=std.magic&type=Code
The result looks like this:
module | count | note |
---|---|---|
stdio | 63,180 | |
conv | 47,297 | |
algorithm | 43,560 | |
string | 34,394 | |
range | 28,258 | |
exception | 27,217 | |
traits | 26,798 | |
array | 24,558 | |
typecons | 21,696 | |
math | 21,597 | |
format | 12,742 | |
meta | 9,644 | |
datetime | 9,101 | |
file | 8,272 | |
container | 7,723 | |
utf | 7,393 | |
functional | 6,694 | |
ascii | 6,597 | |
random | 6,514 | |
numeric | 6,255 | |
uni | 5,860 | |
experimental | 5,386 | |
internal | 5,259 | |
path | 5,188 | |
socket | 4,206 | |
typetuple | 4,160 | should not be used anymore |
regex | 3,958 | |
variant | 3,837 | |
concurrency | 3,785 | |
bigint | 3,692 | |
bitmanip | 3,660 | |
process | 2,908 | |
parallelism | 2,748 | |
getopt | 2,738 | |
digest | 2,139 | |
json | 1,909 | |
windows | 1,798 | |
base64 | 856 | |
encoding | 828 | |
system | 805 | |
net | 764 | |
uuid | 753 | |
complex | 697 | |
zlib | 651 | |
stdint | 620 | |
uri | 570 | |
compiler | 443 | |
xml | 410 | deprecated |
mmfile | 410 | |
signals | 380 | |
mathspecial | 363 | |
demangle | 358 | |
outbuffer | 315 | |
zip | 278 | |
csv | 236 | |
sumtype | 4 | new, not yet in stable |