Ruby Ractor.shareable?用法及代码示例

检查对象是否可以被 ractor 共享。

Ractor.shareable?(1)            #=> true -- numbers and other immutable basic values are frozen
Ractor.shareable?('foo')        #=> false, unless the string is frozen due to # freeze_string_literals: true
Ractor.shareable?('foo'.freeze) #=> true

另请参阅 Ractor 类文档中的“可共享和不可共享对象”部分。