core: Rename unsafe::leak to unsafe::forget. Closes #2031

src/libcore/str.rs

@@ -129,7 +129,7 @@ fn from_byte(b: u8) -> str unsafe {
     assert b < 128u8;
     let mut v = [b, 0u8];
     let s: str = ::unsafe::reinterpret_cast(v);
-    ::unsafe::leak(v);
+    ::unsafe::forget(v);
     s
 }
 
@@ -273,7 +273,7 @@ The result vector is not null-terminated.
 fn bytes(s: str) -> [u8] unsafe {
     let mut s_copy = s;
     let mut v: [u8] = ::unsafe::reinterpret_cast(s_copy);
-    ::unsafe::leak(s_copy);
+    ::unsafe::forget(s_copy);
     vec::unsafe::set_len(v, len(s));
     ret v;
 }
@@ -1445,7 +1445,7 @@ let i = str::as_bytes(\"Hello World\") { |bytes| vec::len(bytes) };
 fn as_bytes<T>(s: str, f: fn([u8]) -> T) -> T unsafe {
     let mut v: [u8] = ::unsafe::reinterpret_cast(s);
     let r = f(v);
-    ::unsafe::leak(v);
+    ::unsafe::forget(v);
     r
 }
 
@@ -1517,7 +1517,7 @@ mod unsafe {
 
         assert is_utf8(v);
         let s: str = ::unsafe::reinterpret_cast(v);
-        ::unsafe::leak(v);
+        ::unsafe::forget(v);
         ret s;
     }
 
@@ -1541,7 +1541,7 @@ mod unsafe {
    unsafe fn from_bytes(v: [const u8]) -> str unsafe {
        let mut vcopy: [u8] = v + [0u8];
        let scopy: str = ::unsafe::reinterpret_cast(vcopy);
-       ::unsafe::leak(vcopy);
+       ::unsafe::forget(vcopy);
        ret scopy;
    }
 
@@ -1578,7 +1578,7 @@ mod unsafe {
        };
        v += [0u8];
        let s: str = ::unsafe::reinterpret_cast(v);
-       ::unsafe::leak(v);
+       ::unsafe::forget(v);
        ret s;
    }