Sha256: e8a643db19523940b649754e3d81e98889798e41046a2167c68fe1124792683a
Contents?: true
Size: 899 Bytes
Versions: 19
Compression:
Stored size: 899 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
19 entries across 19 versions & 1 rubygems