Sha256: 36fb5de2b08a6a6cd858f31af3c5a49f5f066b1b9c5cd3c037fe6202707e1193
Contents?: true
Size: 910 Bytes
Versions: 14
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Stored size: 910 Bytes
Contents
# frozen_string_literal: true
require 'dry/schema/macros/dsl'
module Dry
module Schema
module Macros
# Macro used to specify predicates for a value that can be `nil`
#
# @api private
class Maybe < DSL
# @api private
def call(*args, **opts, &block)
if args.include?(:empty?)
raise ::Dry::Schema::InvalidSchemaError, 'Using maybe with empty? predicate is invalid'
end
if args.include?(:nil?)
raise ::Dry::Schema::InvalidSchemaError, 'Using maybe with nil? predicate is redundant'
end
value(*args, **opts, &block)
self
end
# @api private
def to_ast
[:implication,
[
[:not, [:predicate, [:nil?, [[:input, Undefined]]]]],
trace.to_rule.to_ast
]
]
end
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems