allow range as a input_output_type on filter (#9707)

# Description

This PR allows `Type::Range` on the `filter` command so you can do
things like this:
```nushell
❯ 9..17 | filter {|el| $el mod 2 != 0}
╭───┬────╮
│ 0 │  9 │
│ 1 │ 11 │
│ 2 │ 13 │
│ 3 │ 15 │
│ 4 │ 17 │
╰───┴────╯
```

# User-Facing Changes
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# Tests + Formatting
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This commit is contained in:
Darren Schroeder 2023-07-16 08:13:46 -05:00 committed by GitHub
parent 79d9a0542f
commit eeb3b38fba
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@ -32,6 +32,7 @@ a variable. On the other hand, the "row condition" syntax is not supported."#
Type::List(Box::new(Type::Any)),
),
(Type::Table(vec![]), Type::Table(vec![])),
(Type::Range, Type::List(Box::new(Type::Any))),
])
.required(
"closure",
@ -224,6 +225,14 @@ a variable. On the other hand, the "row condition" syntax is not supported."#
span: Span::test_data(),
}),
},
Example {
description: "Filter items of a range according to a condition",
example: "9..13 | filter {|el| $el mod 2 != 0}",
result: Some(Value::List {
vals: vec![Value::test_int(9), Value::test_int(11), Value::test_int(13)],
span: Span::test_data(),
}),
},
// TODO: This should work but does not. (Note that `Let` must be present in the working_set in `example_test.rs`).
// See https://github.com/nushell/nushell/issues/7034
// Example {