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canFind: added example to search for multiple needles in an array of hay stacks.

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This commit is contained in:
Arun Chandrasekaran 2018-12-07 20:50:32 -08:00
parent 627a8171d5
commit 744e15aed1
1 changed files with 11 additions and 0 deletions
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11
std/algorithm/searching.d
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@ -2557,6 +2557,17 @@ template canFind(alias pred="a == b")
assert( canFind!((string a, string b) => a.startsWith(b))(words, "bees"));
}
/// Search for mutliple items in an array of items (search for needles in an array of hay stacks)
@safe unittest
{
string s1 = "aaa111aaa";
string s2 = "aaa222aaa";
string s3 = "aaa333aaa";
string s4 = "aaa444aaa";
const hay = [s1, s2, s3, s4];
assert(hay.canFind!(e => (e.canFind("111", "222"))));
}
@safe unittest
{
import std.algorithm.internal : rndstuff;