class TypeProf::Core::TypeAliasEntity

# File bundled-src/typeprof-0.31.1/lib/typeprof/core/env/type_alias_entity.rb, line 3
def initialize
  @decls = Set[]
  @type = nil
end

# File bundled-src/typeprof-0.31.1/lib/typeprof/core/env/type_alias_entity.rb, line 14
def add_decl(decl)
  @decls << decl
  @type = decl.type unless @type
  # TODO: report an error if there are duplicated declarations
end

# File bundled-src/typeprof-0.31.1/lib/typeprof/core/env/type_alias_entity.rb, line 10
def exist?
  !@decls.empty?
end

# File bundled-src/typeprof-0.31.1/lib/typeprof/core/env/type_alias_entity.rb, line 20
def remove_decl(decl)
  @decls.delete(decl) || raise
  if @type == decl.type
    @type = @decls.empty? ? nil : @decls.to_a.first.type
  end
end