Sha256: b5fae951c23093059ce6fc3d2cce55f8bf865e516d4e594336d7c6dfd530b430
Contents?: true
Size: 714 Bytes
Versions: 11
Compression:
Stored size: 714 Bytes
Contents
# frozen_string_literal: true
module Kind
class Either::Right < Either::Monad
def right?
true
end
def value_or(_default = UNDEFINED, &block)
@value
end
def map(&fn)
map!(&fn)
rescue Kind::Monad::Error => e
raise e
rescue StandardError => e
Either::Left[e]
end
def map!(&fn)
monad = fn.call(@value)
return monad if Either::Monad === monad
raise Kind::Monad::Error.new('Kind::Right | Kind::Left', monad)
end
alias_method :then, :map
alias_method :then!, :map!
alias_method :and_then, :map
alias_method :and_then!, :map!
def inspect
'#<%s value=%p>' % ['Kind::Right', value]
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems