21 lines
443 B
Text
21 lines
443 B
Text
use Outrun.Core.Boolean
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use LogicalNot
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```doc
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# Boolean
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Provides a common interface for values masquerading as Booleans.
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```
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protocol Boolean, as: do
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```doc
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A mechanism for values to convert themselves into a concrete boolean value.
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Must be implemented.
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```
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def true?(self: Self): Outrun.Core.Boolean
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```doc
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Is the value false?
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```
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def false?(self: Self): Outrun.Core.Boolean, as: LogicalNot.not(Boolean.true?(self))
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end
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