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lib.strings: Add isSimpleCoercibleToString

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This commit is contained in:
Robert Hensing 2022-12-28 23:10:44 +01:00
parent 393bdd70e2
commit 67cfc7a8f6
1 changed files with 11 additions and 0 deletions
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11
lib/strings.nix
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@ -805,6 +805,17 @@ rec {
x ? outPath || x ? outPath ||
x ? __toString; x ? __toString;
/* Check whether a value can be coerced to a string,
The value must be a string, path, or attribute set.
This follows Nix's internal coerceToString(coerceMore = false) logic,
except for external types, for which we return false.
*/
isSimpleCoercibleToString = x:
elem (typeOf x) [ "path" "string" ] ||
x ? outPath ||
x ? __toString;
/* Check whether a value is a store path. /* Check whether a value is a store path.
Example: Example: