core::intrinsics::needs_drop
[−]
[src]
pub unsafe extern "rust-intrinsic" fn needs_drop<T>() -> bool
Returns true
`trueif the actual type given as
` if the actual type given as T
`Trequires drop glue; returns
` requires drop
glue; returns false
`falseif the actual type provided for
` if the actual type provided for T
`Timplements
`
implements Copy
`Copy`.
If the actual type neither requires drop glue nor implements
Copy
`Copy, then may return
`, then may return true
`trueor
` or false
`false`.