aparler/RosettaCodeData
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Data update

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Ingy dot Net 2024-04-19 16:56:29 -07:00
parent 0df55f9f24
commit aec8ed51b6
1045 changed files with 18889 additions and 2777 deletions
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7
Task/Menu/D/menu.d
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@ -6,6 +6,7 @@ string menuSelect(in string[] entries) {
pure nothrow {
try {
immutable n = input.to!int;
return typeof(return)((n >= 0 && n <= nEntries) ? n : -1);
} catch (Exception e) // Very generic
return typeof(return)(-1); // Not valid.
@ -19,8 +20,11 @@ string menuSelect(in string[] entries) {
foreach (immutable i, const entry; entries)
writefln(" %d) %s", i, entry);
"> ".write;
immutable input = readln.chomp;
immutable choice = validChoice(input, entries.length - 1);
immutable choice = validChoice(input, cast(int) (entries.length - 1));
if (choice.isNull)
"Wrong choice.".writeln;
else
@ -31,5 +35,6 @@ string menuSelect(in string[] entries) {
void main() {
immutable items = ["fee fie", "huff and puff",
"mirror mirror", "tick tock"];
writeln("You chose '", items.menuSelect, "'.");
}