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instance method

Object#freeze

() -> self

obj.freeze → self

VALUE
rb_obj_freeze(VALUE obj)
{
    OBJ_FREEZE(obj);
    return obj;
}

Freezes self, preventing further modifications; see Frozen Objects.

See also #extend #hash #eql? #inspect also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0