Class: Dry::Schema::PredicateInferrer Private
- Inherits:
-
Object
- Object
- Dry::Schema::PredicateInferrer
- Extended by:
- Core::Cache
- Defined in:
- lib/dry/schema/predicate_inferrer.rb
Overview
This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.
PredicateInferrer is used internally by ‘Macros::Value` for inferring type-check predicates from type specs.
Defined Under Namespace
Classes: Compiler
Constant Summary collapse
- TYPE_TO_PREDICATE =
This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.
{ DateTime => :date_time?, FalseClass => :false?, Integer => :int?, NilClass => :nil?, String => :str?, TrueClass => :true?, BigDecimal => :decimal? }.freeze
- REDUCED_TYPES =
This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.
{ [[[:true?], [:false?]]] => %i[bool?] }.freeze
- HASH =
This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.
%i[hash?].freeze
- ARRAY =
This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.
%i[array?].freeze
- NIL =
This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.
%i[nil?].freeze
Instance Attribute Summary collapse
- #compiler ⇒ Compiler readonly private
Instance Method Summary collapse
-
#[](type) ⇒ Symbol
private
Infer predicate identifier from the provided type.
-
#initialize(registry) ⇒ PredicateInferrer
constructor
private
A new instance of PredicateInferrer.
Constructor Details
#initialize(registry) ⇒ PredicateInferrer
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
Returns a new instance of PredicateInferrer.
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# File 'lib/dry/schema/predicate_inferrer.rb', line 174 def initialize(registry) @compiler = Compiler.new(registry) end |
Instance Attribute Details
#compiler ⇒ Compiler (readonly)
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/dry/schema/predicate_inferrer.rb', line 171 def compiler @compiler end |
Instance Method Details
#[](type) ⇒ Symbol
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
Infer predicate identifier from the provided type
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# File 'lib/dry/schema/predicate_inferrer.rb', line 183 def [](type) self.class.fetch_or_store(type.hash) do predicates = compiler.visit(type.to_ast) if predicates.is_a?(Hash) predicates else REDUCED_TYPES[predicates] || predicates end end end |