Merge pull request #261676 from h7x4/lib-add-replicatestring
lib.strings: add `replicate`
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2 changed files with 19 additions and 0 deletions
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@ -144,6 +144,20 @@ rec {
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*/
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concatLines = concatMapStrings (s: s + "\n");
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/*
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Replicate a string n times,
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and concatenate the parts into a new string.
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Type: replicate :: int -> string -> string
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Example:
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replicate 3 "v"
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=> "vvv"
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replicate 5 "hello"
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=> "hellohellohellohellohello"
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*/
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replicate = n: s: concatStrings (lib.lists.replicate n s);
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/* Construct a Unix-style, colon-separated search path consisting of
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the given `subDir` appended to each of the given paths.
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@ -191,6 +191,11 @@ runTests {
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expected = "a\nb\nc\n";
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};
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testReplicateString = {
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expr = strings.replicate 5 "hello";
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expected = "hellohellohellohellohello";
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};
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testSplitStringsSimple = {
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expr = strings.splitString "." "a.b.c.d";
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expected = [ "a" "b" "c" "d" ];
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