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Add 'number' command for enumeration (#7871)
# Description This adds a `number` command that will enumerate the input, and add an `index` and `item` record for each item. The `index` is the number of the item in the input stream, and `item` is the original value of the item. ``` > ls | number | get 14 ╭───────┬────────────────────────────╮ │ index │ 14 │ │ │ ╭──────────┬─────────────╮ │ │ item │ │ name │ crates │ │ │ │ │ type │ dir │ │ │ │ │ size │ 832 B │ │ │ │ │ modified │ 2 weeks ago │ │ │ │ ╰──────────┴─────────────╯ │ ╰───────┴────────────────────────────╯ ``` # User-Facing Changes This adds a `number` command. # Tests + Formatting Don't forget to add tests that cover your changes. Make sure you've run and fixed any issues with these commands: - `cargo fmt --all -- --check` to check standard code formatting (`cargo fmt --all` applies these changes) - `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A clippy::needless_collect` to check that you're using the standard code style - `cargo test --workspace` to check that all tests pass # After Submitting If your PR had any user-facing changes, update [the documentation](https://github.com/nushell/nushell.github.io) after the PR is merged, if necessary. This will help us keep the docs up to date.
This commit is contained in:
@ -455,16 +455,13 @@ mod string {
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assert_eq!(expressions.len(), 1);
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if let PipelineElement::Expression(_, expr) = &expressions[0] {
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let subexprs: Vec<&Expr>;
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match expr {
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let subexprs: Vec<&Expr> = match expr {
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Expression {
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expr: Expr::StringInterpolation(expressions),
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..
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} => {
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subexprs = expressions.iter().map(|e| &e.expr).collect();
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}
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} => expressions.iter().map(|e| &e.expr).collect(),
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_ => panic!("Expected an `Expr::StringInterpolation`"),
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}
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};
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assert_eq!(subexprs.len(), 2);
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@ -491,16 +488,13 @@ mod string {
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assert_eq!(expressions.len(), 1);
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if let PipelineElement::Expression(_, expr) = &expressions[0] {
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let subexprs: Vec<&Expr>;
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match expr {
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let subexprs: Vec<&Expr> = match expr {
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Expression {
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expr: Expr::StringInterpolation(expressions),
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..
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} => {
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subexprs = expressions.iter().map(|e| &e.expr).collect();
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}
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} => expressions.iter().map(|e| &e.expr).collect(),
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_ => panic!("Expected an `Expr::StringInterpolation`"),
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}
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};
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assert_eq!(subexprs.len(), 1);
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@ -531,16 +525,13 @@ mod string {
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assert_eq!(expressions.len(), 1);
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if let PipelineElement::Expression(_, expr) = &expressions[0] {
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let subexprs: Vec<&Expr>;
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match expr {
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let subexprs: Vec<&Expr> = match expr {
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Expression {
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expr: Expr::StringInterpolation(expressions),
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..
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} => {
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subexprs = expressions.iter().map(|e| &e.expr).collect();
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}
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} => expressions.iter().map(|e| &e.expr).collect(),
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_ => panic!("Expected an `Expr::StringInterpolation`"),
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}
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};
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assert_eq!(subexprs.len(), 2);
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@ -573,16 +564,13 @@ mod string {
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assert_eq!(expressions.len(), 1);
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if let PipelineElement::Expression(_, expr) = &expressions[0] {
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let subexprs: Vec<&Expr>;
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match expr {
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let subexprs: Vec<&Expr> = match expr {
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Expression {
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expr: Expr::StringInterpolation(expressions),
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..
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} => {
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subexprs = expressions.iter().map(|e| &e.expr).collect();
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}
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} => expressions.iter().map(|e| &e.expr).collect(),
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_ => panic!("Expected an `Expr::StringInterpolation`"),
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}
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};
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assert_eq!(subexprs.len(), 1);
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assert_eq!(subexprs[0], &Expr::String("(1 + 3)(7 - 5)".to_string()));
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