Clarify lifetimes

Addresses several warnings on nightly rustc.

Author: Bromeon

godot-core/src/builtin/callable.rs

@@ -448,7 +448,7 @@ impl Callable {
     }
 
     #[doc(hidden)]
-    pub fn as_inner(&self) -> inner::InnerCallable {
+    pub fn as_inner(&self) -> inner::InnerCallable<'_> {
         inner::InnerCallable::from_outer(self)
     }
 }

godot-core/src/builtin/collections/array.rs

@@ -910,12 +910,12 @@ impl<T: ArrayElement> Array<T> {
     /// In particular this means that all reads are fine, since all values can be converted to `Variant`. However, writes are only OK
     /// if they match the type `T`.
     #[doc(hidden)]
-    pub unsafe fn as_inner_mut(&self) -> inner::InnerArray {
+    pub unsafe fn as_inner_mut(&self) -> inner::InnerArray<'_> {
         // The memory layout of `Array<T>` does not depend on `T`.
         inner::InnerArray::from_outer_typed(self)
     }
 
-    fn as_inner(&self) -> ImmutableInnerArray {
+    fn as_inner(&self) -> ImmutableInnerArray<'_> {
         ImmutableInnerArray {
             // SAFETY: We can only read from the array.
             inner: unsafe { self.as_inner_mut() },

godot-core/src/builtin/collections/dictionary.rs

@@ -365,7 +365,7 @@ impl Dictionary {
     }
 
     #[doc(hidden)]
-    pub fn as_inner(&self) -> inner::InnerDictionary {
+    pub fn as_inner(&self) -> inner::InnerDictionary<'_> {
         inner::InnerDictionary::from_outer(self)
     }
 

godot-core/src/builtin/color.rs

@@ -350,7 +350,7 @@ impl Color {
             && self.a <= 1.0
     }
 
-    fn as_inner(&self) -> InnerColor {
+    fn as_inner(&self) -> InnerColor<'_> {
         InnerColor::from_outer(self)
     }
 }

godot-core/src/builtin/projection.rs

@@ -8,9 +8,10 @@
 use godot_ffi as sys;
 use sys::{ffi_methods, ExtVariantType, GodotFfi};
 
-use crate::builtin::inner::InnerProjection;
 use crate::builtin::math::{ApproxEq, GlamConv, GlamType};
-use crate::builtin::{real, Plane, RMat4, RealConv, Transform3D, Vector2, Vector4, Vector4Axis};
+use crate::builtin::{
+    inner, real, Plane, RMat4, RealConv, Transform3D, Vector2, Vector4, Vector4Axis,
+};
 
 use std::ops::Mul;
 
@@ -470,8 +471,8 @@ impl Projection {
     }
 
     #[doc(hidden)]
-    pub(crate) fn as_inner(&self) -> InnerProjection {
-        InnerProjection::from_outer(self)
+    pub(crate) fn as_inner(&self) -> inner::InnerProjection<'_> {
+        inner::InnerProjection::from_outer(self)
     }
 }
 

godot-core/src/builtin/quaternion.rs

@@ -259,7 +259,7 @@ impl Quaternion {
     }
 
     #[doc(hidden)]
-    pub fn as_inner(&self) -> inner::InnerQuaternion {
+    pub fn as_inner(&self) -> inner::InnerQuaternion<'_> {
         inner::InnerQuaternion::from_outer(self)
     }
 

godot-core/src/builtin/signal.rs

@@ -158,7 +158,7 @@ impl Signal {
     }
 
     #[doc(hidden)]
-    pub fn as_inner(&self) -> inner::InnerSignal {
+    pub fn as_inner(&self) -> inner::InnerSignal<'_> {
         inner::InnerSignal::from_outer(self)
     }
 }

godot-core/src/builtin/string/gstring.rs

@@ -257,7 +257,7 @@ impl GString {
     }
 
     #[doc(hidden)]
-    pub fn as_inner(&self) -> inner::InnerString {
+    pub fn as_inner(&self) -> inner::InnerString<'_> {
         inner::InnerString::from_outer(self)
     }
 }

godot-core/src/builtin/string/node_path.rs

@@ -180,7 +180,7 @@ impl NodePath {
     }
 
     #[doc(hidden)]
-    pub fn as_inner(&self) -> inner::InnerNodePath {
+    pub fn as_inner(&self) -> inner::InnerNodePath<'_> {
         inner::InnerNodePath::from_outer(self)
     }
 }

godot-core/src/builtin/string/string_name.rs

@@ -247,7 +247,7 @@ impl StringName {
     }
 
     #[doc(hidden)]
-    pub fn as_inner(&self) -> inner::InnerStringName {
+    pub fn as_inner(&self) -> inner::InnerStringName<'_> {
         inner::InnerStringName::from_outer(self)
     }