forked from auxolotl/labs
49 lines
1.3 KiB
Nix
49 lines
1.3 KiB
Nix
lib: {
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bools = {
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into = {
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## Convert a boolean value into a string.
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##
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## @type Bool -> String
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string = value: if value then "true" else "false";
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## Convert a boolean into either the string "yes" or "no".
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##
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## @type Bool -> String
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yesno = value: if value then "yes" else "no";
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};
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## Choose between two values based on a condition. When true, the first value
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## is returned, otherwise the second value is returned.
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##
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## @type Bool -> a -> b -> a | b
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when =
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condition: x: y:
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if condition then x else y;
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## Perform a logical AND operation on two values.
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##
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## @type Bool -> Bool -> Bool
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and = a: b: a && b;
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## Perform a logical AND operation on two functions being applied to a value.
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##
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## @type (a -> Bool) -> (a -> Bool) -> a -> Bool
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and' = f: g: (x: (f x) && (g x));
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## Perform a logical OR operation on two values.
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##
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## @type Bool -> Bool -> Bool
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or = a: b: a || b;
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## Perform a logical OR operation on two functions being applied to a value.
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##
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## @type (a -> Bool) -> (a -> Bool) -> a -> Bool
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or' = f: g: (x: (f x) || (g x));
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## Perform a logical NOT operation on a value.
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##
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## @type Bool -> Bool
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not = a: !a;
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};
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}
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