Sha256: aef19951a80996ab61d9ea6569c36edbad7030025b5e57ed7bfa30d2eb1a9f5b
Contents?: true
Size: 936 Bytes
Versions: 9
Compression:
Stored size: 936 Bytes
Contents
# frozen_string_literal: true
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
append_macro(Macros::Value) do |macro|
macro.call(*args, **opts, &block)
end
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
9 entries across 9 versions & 1 rubygems