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→{{header|langur}}
(→{{header|D}}: Fix type mismatch) |
Langurmonkey (talk | contribs) |
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| (5 intermediate revisions by 2 users not shown) | |||
Line 792:
try {
immutable n = input.to!int;
return typeof(return)((n >= 0 && n <= nEntries) ? n : -1);
} catch (Exception e) // Very generic
Line 805 ⟶ 806:
writefln(" %d) %s", i, entry);
"> ".write;
immutable input = readln.chomp;
immutable choice = validChoice(input, cast(int) (entries.length - 1));
if (choice.isNull)
"Wrong choice.".writeln;
Line 817 ⟶ 821:
immutable items = ["fee fie", "huff and puff",
"mirror mirror", "tick tock"];
writeln("You chose '", items.menuSelect, "'.");
}
Line 1,823 ⟶ 1,828:
=={{header|langur}}==
<syntaxhighlight lang="langur">
val choose = impure fn(entries) {
if
if not entries: return ""
# print the menu
writeln join
val
"Select entry #: ",
if not
val
},
"invalid selection\n", -1,
) -> number
}
writeln
</syntaxhighlight>
{{out}}
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