[io grant] Document IO::Spec::*.catdir and .catfile

Author: zoffixznet

doc/Type/IO/Spec/Cygwin.pod6

@@ -40,6 +40,21 @@ the routine does not access the filesystem.
     IO::Spec::Cygwin.canonpath("foo///./../bar/../ber", :parent).say;
     # OUTPUT: «ber␤»
 
+=head2 method catdir
+
+    method catdir (*@parts --> Str:D)
+
+Concatenates multiple path fragments and returns the canonical representation
+of the resultant path as a string. The C<@parts> are L«C<Str>|/type/Str» objects
+and are allowed to contain path separators.
+
+    IO::Spec::Cygwin.catdir(<foo/bar ber perl>).say;
+    # OUTPUT: «foo/bar/ber/perl␤»
+
+=head2 method catfile
+
+Alias for L«C<catdir>|/routine/catdir».
+
 =head2 method tmpdir
 
 Defined as:

doc/Type/IO/Spec/Unix.pod6

@@ -50,6 +50,20 @@ the routine does not access the filesystem, so no symlinks are followed.
     IO::Spec::Unix.canonpath("foo///./../bar/../ber", :parent).say;
     # OUTPUT: «ber␤»
 
+=head2 method catdir
+
+    method catdir (*@parts --> Str:D)
+
+Concatenates multiple path fragments and returns the canonical representation
+of the resultant path as a string. The C<@parts> are L«C<Str>|/type/Str» objects
+and are allowed to contain path separators.
+
+    IO::Spec::Unix.catdir(<foo/bar ber perl>).say; # OUTPUT: «foo/bar/ber/perl␤»
+
+=head2 method catfile
+
+Alias for L«C<catdir>|/routine/catdir».
+
 =head2 method tmpdir
 
 Defined as:

doc/Type/IO/Spec/Win32.pod6

@@ -45,6 +45,21 @@ the routine does not access the filesystem.
     IO::Spec::Win32.canonpath("C:/foo///./../bar/../ber", :parent).say;
     # OUTPUT: «C:\ber␤»
 
+=head2 method catdir
+
+    method catdir (*@parts --> Str:D)
+
+Concatenates multiple path fragments and returns the canonical representation
+of the resultant path as a string. The C<@parts> are L«C<Str>|/type/Str» objects
+and are allowed to contain path separators.
+
+    IO::Spec::Win32.catdir(<foo/bar ber perl>).say;
+    # OUTPUT: «foo\bar\ber\perl␤»
+
+=head2 method catfile
+
+Alias for L«C<catdir>|/routine/catdir».
+
 =head2 method tmpdir
 
 Defined as: