Sha256: 901bfd51cc9d24bd922fcc89f3bc19eb43c465c3ebffe521290bfb8bf366d315
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Versions: 10
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Stored size: 1.14 KB
Contents
# frozen_string_literal: true
require 'kind/__lib__/strict'
module Kind
module KIND
extend self
def nil_or_undefined?(value) # :nodoc:
value.nil? || Undefined == value
end
def of?(kind, values) # :nodoc:
of_kind = -> value { kind === value }
values.empty? ? of_kind : values.all?(&of_kind)
end
def respond_to!(method_name, value) # :nodoc:
return value if value.respond_to?(method_name)
raise Error.new("expected #{value} to respond to :#{method_name}")
end
def interface?(method_names, value) # :nodoc:
method_names.all? { |method_name| value.respond_to?(method_name) }
end
def value(kind, arg, default) # :nodoc:
kind === arg ? arg : default
end
def is?(expected, value) # :nodoc:
is(STRICT.module_or_class(expected), value)
end
private
def is(expected_kind, value) # :nodoc:
kind = STRICT.module_or_class(value)
if OF.class?(kind)
kind <= expected_kind || expected_kind == ::Class
else
kind == expected_kind || kind.kind_of?(expected_kind)
end
end
end
private_constant :KIND
end
Version data entries
10 entries across 10 versions & 1 rubygems