Don't store file paths in file types

Storing the file path in file types isn't that useful, as the user can
use whatever path they used to create the file in the first place. In
addition, persisting the file path can lead to unexpected results if an
opened file is moved or renamed.

Changelog: changed

std/src/std/fs/file.inko

@@ -30,9 +30,6 @@ import std.sys.unix.fs (self as sys) if unix
 type pub ReadOnlyFile {
   let @fd: Int32
 
-  # The path of the file.
-  let pub @path: Path
-
   # Returns a new `ReadOnlyFile`.
   #
   # # Errors
@@ -46,7 +43,7 @@ type pub ReadOnlyFile {
   #
   # ReadOnlyFile.new('/dev/null'.to_path)
   # ```
-  fn pub static new(path: Path) -> Result[ReadOnlyFile, Error] {
+  fn pub static new(path: ref Path) -> Result[ReadOnlyFile, Error] {
     match
       sys.open_file(
         path.to_string,
@@ -56,7 +53,7 @@ type pub ReadOnlyFile {
         truncate: false,
       )
     {
-      case Ok(fd) -> Result.Ok(ReadOnlyFile(fd: fd, path: path))
+      case Ok(fd) -> Result.Ok(ReadOnlyFile(fd))
       case Error(e) -> Result.Error(e)
     }
   }
@@ -111,9 +108,6 @@ impl Seek for ReadOnlyFile {
 type pub WriteOnlyFile {
   let @fd: Int32
 
-  # The path of the file.
-  let pub @path: Path
-
   # Opens a file in write-only mode.
   #
   # # Examples
@@ -123,7 +117,7 @@ type pub WriteOnlyFile {
   #
   # WriteOnlyFile.new('/dev/null'.to_path)
   # ```
-  fn pub static new(path: Path) -> Result[WriteOnlyFile, Error] {
+  fn pub static new(path: ref Path) -> Result[WriteOnlyFile, Error] {
     match
       sys.open_file(
         path.to_string,
@@ -133,7 +127,7 @@ type pub WriteOnlyFile {
         truncate: true,
       )
     {
-      case Ok(fd) -> Result.Ok(WriteOnlyFile(fd: fd, path: path))
+      case Ok(fd) -> Result.Ok(WriteOnlyFile(fd))
       case Error(e) -> Result.Error(e)
     }
   }
@@ -157,7 +151,7 @@ type pub WriteOnlyFile {
         truncate: false,
       )
     {
-      case Ok(fd) -> Result.Ok(WriteOnlyFile(fd: fd, path: path))
+      case Ok(fd) -> Result.Ok(WriteOnlyFile(fd))
       case Error(e) -> Result.Error(e)
     }
   }
@@ -226,9 +220,6 @@ impl Seek for WriteOnlyFile {
 type pub ReadWriteFile {
   let @fd: Int32
 
-  # The path of the file.
-  let pub @path: Path
-
   # Opens a file for both reading and writing:
   #
   # # Examples
@@ -238,7 +229,7 @@ type pub ReadWriteFile {
   #
   # ReadWriteFile.new('/dev/null'.to_path)
   # ```
-  fn pub static new(path: Path) -> Result[ReadWriteFile, Error] {
+  fn pub static new(path: ref Path) -> Result[ReadWriteFile, Error] {
     match
       sys.open_file(
         path.to_string,
@@ -248,7 +239,7 @@ type pub ReadWriteFile {
         truncate: false,
       )
     {
-      case Ok(fd) -> Result.Ok(ReadWriteFile(fd: fd, path: path))
+      case Ok(fd) -> Result.Ok(ReadWriteFile(fd))
       case Error(e) -> Result.Error(e)
     }
   }
@@ -262,7 +253,7 @@ type pub ReadWriteFile {
   #
   # ReadWriteFile.append('/dev/null'.to_path)
   # ```
-  fn pub static append(path: Path) -> Result[ReadWriteFile, Error] {
+  fn pub static append(path: ref Path) -> Result[ReadWriteFile, Error] {
     match
       sys.open_file(
         path.to_string,
@@ -272,7 +263,7 @@ type pub ReadWriteFile {
         truncate: false,
       )
     {
-      case Ok(fd) -> Result.Ok(ReadWriteFile(fd: fd, path: path))
+      case Ok(fd) -> Result.Ok(ReadWriteFile(fd))
       case Error(e) -> Result.Error(e)
     }
   }