On Sunday, 5 May 2013 at 01:44:19 UTC, bearophile wrote:
Diggory:

The documentation seems too say that "[mytuple]" will make an array,

Nope. You have to extract the inherent typetuple first. And this is what the [] syntax does (tested):


import std.stdio, std.typecons, std.algorithm;
void main() {
    auto t = tuple("foo", "bar", "spam");
    assert([t[]].canFind("bar"));
}

Bye,
bearophile

Is the behaviour of the empty [] when applied to tuples documented anywhere?

The problem is that this doesn't work if the tuple is empty:
Error: template std.algorithm.canFind does not match any function template declaration.

And unfortunately in the situation I need it for an empty tuple is one of the most likely scenarios.

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