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Versions: 213
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Contents
module raindrops;
import std.array : appender;
import std.format : formattedWrite;
string convert(int n) {
auto builder = appender!string();
if (isPling(n) || isPlang(n) || isPlong(n)) {
if (isPling(n)) {
builder.put("Pling");
}
if (isPlang(n)) {
builder.put("Plang");
}
if (isPlong(n)) {
builder.put("Plong");
}
} else {
builder.formattedWrite("%s", n);
}
return builder.data;
}
private bool isPling(int n) {
return n % 3 == 0;
}
private bool isPlang(int n) {
return n % 5 == 0;
}
private bool isPlong(int n) {
return n % 7 == 0;
}
unittest {
assert(convert(1) == "1");
assert(convert(3) == "Pling");
assert(convert(5) == "Plang");
assert(convert(7) == "Plong");
assert(convert(6) == "Pling");
assert(convert(9) == "Pling");
assert(convert(10) == "Plang");
assert(convert(14) == "Plong");
assert(convert(15) == "PlingPlang");
assert(convert(21) == "PlingPlong");
assert(convert(25) == "Plang");
assert(convert(35) == "PlangPlong");
assert(convert(49) == "Plong");
assert(convert(52) == "52");
assert(convert(105) == "PlingPlangPlong");
}
Version data entries
213 entries across 213 versions & 1 rubygems