Move Table/List helper module to new std-rfc (#1025)

This module was previously in `std-rfc`, but was left behind when we "reset" it. This
simply moves it back into `std-rfc` for evaluation along with updates for latest main changes.

Author: NotTheDr01ds

…andidate-old/std-rfc/conversions/into.nu …ib-candidate/std-rfc/conversions/into.nustdlib-candidate-old/std-rfc/conversions/into.nu renamed to stdlib-candidate/std-rfc/conversions/into.nu stdlib-candidate-old/std-rfc/conversions/into.nu renamed to stdlib-candidate/std-rfc/conversions/into.nu

@@ -10,5 +10,6 @@ use ./row-indices.nu *
 export def "reject ranges" [ ...ranges ] {
   enumerate
   | flatten
+  | collect
   | reject ...(row-indices ...$ranges)
 }

…candidate-old/std-rfc/conversions/mod.nu …lib-candidate/std-rfc/conversions/mod.nustdlib-candidate-old/std-rfc/conversions/mod.nu renamed to stdlib-candidate/std-rfc/conversions/mod.nu stdlib-candidate-old/std-rfc/conversions/mod.nu renamed to stdlib-candidate/std-rfc/conversions/mod.nu

@@ -1,39 +1,44 @@
 use std assert
 use ../std-rfc/conversions *
 
-export def "test range-into-list" [] {
+#[test]
+def range-into-list [] {
   assert equal (
     1..10 | into list
   ) (
     [ 1 2 3 4 5 6 7 8 9 10 ]
   )
 }
 
-export def "test string-into-list" [] {
+#[test]
+def string-into-list [] {
   assert equal (
     "foo" | into list
   ) (
     [ foo ]
   )
 }
 
-export def "test range-stride-into-list" [] {
+#[test]
+def range-stride-into-list [] {
   assert equal (
     0..2..10 | into list
   ) (
     [ 0 2 4 6 8 10 ]
   )
 }
 
-export def "test null-into-list" [] {
+#[test]
+def null-into-list [] {
   assert equal (
     null | into list | get 0 | describe
   ) (
     "nothing"
   )
 }
 
-export def "test list-into-list" [] {
+#[test]
+def list-into-list [] {
   assert equal (
     [ foo bar baz ] | into list
   ) (