File: builder.html.md

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ruby-dry-logic 1.2.0-3
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---
title: Builder
layout: gem-single
name: dry-logic
---

Use Dry Logic's builder evaluate predicates and operations

``` ruby
require "dry/logic/builder"

is_zero = Dry::Logic::Builder.call do
  lt?(0) ^ gt?(0)
end

is_zero.call(0).success? # => true
is_zero.call(1).success? # => false
```