Preview Ruby 4.1 is a preview. It can change before the final release. Switch to Ruby 4.0 →
instance method
String#encoding
() -> ::Encoding
encoding → encoding
string.c
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VALUE
rb_obj_encoding(VALUE obj)
{
int idx = rb_enc_get_index(obj);
if (idx < 0) {
rb_raise(rb_eTypeError, "unknown encoding");
}
return rb_enc_from_encoding_index(idx & ENC_INDEX_MASK);
}