Improve range parsing and handling (#2506)

* Improve range parsing and handling * linting
2020-09-07 14:43:58 +12:00
parent 986b427038
commit c9ffd6afc0
7 changed files with 172 additions and 44 deletions
--- a/crates/nu-cli/src/commands/echo.rs
+++ b/crates/nu-cli/src/commands/echo.rs
@ -86,8 +86,13 @@ struct RangeIterator {

 impl RangeIterator {
    pub fn new(range: Range, tag: Tag) -> RangeIterator {
+        let start = match range.from.0.item {
+            Primitive::Nothing => Primitive::Int(0.into()),
+            x => x,
+        };
+
        RangeIterator {
-            curr: range.from.0.item,
+            curr: start,
            end: range.to.0.item,
            tag,
            is_end_inclusive: matches!(range.to.1, RangeInclusion::Inclusive),