Error code E0705
Note: this error code is no longer emitted by the compiler.
A #![feature]
attribute was used for a feature that is stable in the
current edition, but not in all editions.
Erroneous code example:
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A #![feature]
attribute was used for a feature that is stable in the
current edition, but not in all editions.
Erroneous code example:
ⓘ