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stdlib: remove withUnsafePointerToObject

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It is completely unused, and I am not even convinced it is safe.  It
assumes that size of ImplicitlyUnwrappedOptional<T> is equal to pointer
size (while this is true for Objective-C pointer types, there was no
precondition that enforced this).

Swift SVN r19604
This commit is contained in:
Dmitri Hrybenko
2014-07-07 10:53:34 +00:00
parent 6f5a2e5d87
commit a9ee1f88ac
1 changed files with 0 additions and 17 deletions
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17
stdlib/core/BridgeObjectiveC.swift
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@@ -51,23 +51,6 @@
}
}
/// Invokes `body` with an `UnsafePointer` to a `nil` `T`, sets `arg` to
/// the value of that `T` (or `.None` if the `T` is still `nil`), and returns
/// the result of the invocation.
///
/// Useful for calling Objective-C APIs that take class instances by
/// pointer as `@autorelease` "out" parameters.
@public func withUnsafePointerToObject<T: AnyObject, Result>(
inout arg: T?,
body: (UnsafePointer<ImplicitlyUnwrappedOptional<T>>)->Result
) -> Result {
var buffer: Builtin.RawPointer = Builtin.inttoptr_Word(0.value)
var address = UnsafePointer<ImplicitlyUnwrappedOptional<T>>(Builtin.addressof(&buffer))
var result = body(address)
arg = address.memory
return result
}
/// A Swift Array or Dictionary of types conforming to
/// _BridgedToObjectiveC can be passed to ObjectiveC as an NSArray or
/// NSDictionary, respectively. The elements of the resulting NSArray